{
  "manageEntity": {
    "action": "Update",
    "entityId": "856033317",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xeb024ea0960c5587e036f6a8ebde500593782d4586f761374c414593f81dd414",
    "signature": "0x3c75169f39847dcd6be8df954de3e1ba7407b8e5d94fed3b706816e201ad956175155cb3fca6075ef26e81046506b8e951eb757b4e80d33fd6dd64e22f3c85a61c",
    "signer": "0xd8100A04A94C92b3Ca09e15b23da35384811e4E9",
    "userId": "856033317"
  }
}