tmp.json

{
  "participants": [
    {
      "id": 1,
      "name": "Alice"
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    {
      "id": 2,
      "name": "Bob"
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      "id": 3,
      "name": "Chuck"
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    {
      "id": 4,
      "name": "David"
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    {
      "id": 5,
      "name": "Erin"
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  ],
  "messages": [
    {
      "id": 1,
      "threadId": 1,
      "participantId": 1,
      "text": "Did you take take out the trash today ?",
      "timestamp": 1483966342965
    },
    {
      "id": 2,
      "threadId": 1,
      "participantId": 2,
      "text": "Is it full again ?",
      "timestamp": 1483966342965
    },
    {
      "id": 3,
      "threadId": 1,
      "participantId": 1,
      "text": "Yes, can you take it out now ? ",
      "timestamp": 1483966342965
    },
    {
      "id": 4,
      "threadId": 1,
      "participantId": 2,
      "text": "OK, no problem",
      "timestamp": 1483966342965
    },
    {
      "id": 5,
      "threadId": 1,
      "participantId": 1,
      "text": "Great",
      "timestamp": 1483966342965
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      "threadId": 1,
      "timestamp": 1483966360084,
      "participantId": null
    },
    {
      "id": 6,
      "threadId": 2,
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      "text": "This living room is a disaster, clean this up kids ! ",
      "timestamp": 1483966342965
    },
    {
      "id": 7,
      "threadId": 2,
      "participantId": 3,
      "text": "Wasn't me Mom ! ",
      "timestamp": 1483966342965
    },
    {
      "id": 8,
      "threadId": 2,
      "participantId": 4,
      "text": "Me neither Mom ! ",
      "timestamp": 1483966342965
    },
    {
      "id": 9,
      "threadId": 2,
      "participantId": 4,
      "text": "Really ! ",
      "timestamp": 1483966342965
    },
    {
      "id": 10,
      "threadId": 2,
      "participantId": 1,
      "text": "OK kids thats enough, tidy up the living room now please !",
      "timestamp": 1483966342965
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    {
      "id": 11,
      "threadId": 3,
      "participantId": 1,
      "text": "Everyone come to the table, dinner is ready ",
      "timestamp": 1483966342965
    },
    {
      "id": 12,
      "threadId": 3,
      "participantId": 3,
      "text": "No dad Im watching this cartoon its not over yet ",
      "timestamp": 1483966342965
    },
    {
      "id": 13,
      "threadId": 3,
      "participantId": 4,
      "text": "No Mom we want to keep watching TV too its my favorite show ",
      "timestamp": 1483966342965
    },
    {
      "id": 14,
      "threadId": 3,
      "participantId": 5,
      "text": "gaaaggggaaaaaaaaaa mhmaam mhaammmm mmaaammaaa paaappppaaaaa",
      "timestamp": 1483966342965
    },
    {
      "id": 15,
      "threadId": 3,
      "participantId": 1,
      "text": "Maybe later, I'm not hungry ",
      "timestamp": 1483966342965
    },
    {
      "id": 16,
      "threadId": 3,
      "participantId": 1,
      "text": "Let's go everyone, put that on pause and come to the table, the dinner will be cold",
      "timestamp": 1483966342965
    }
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