{
  "manageEntity": {
    "action": "Create",
    "entityId": "1231561209",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"fireee \u003c3 \",\"entity_id\":218167102,\"track_timestamp_s\":64}}",
    "nonce": "0x65bcf388572d16676a416bba8bd15c7aca79e7571bed570581a954fd7bb86bb7",
    "signature": "0x82896d57483ba346b988b2a6e8f9e46ffc928d1d5372e57f0214220d142de54658c72259cc336cd8aa88022b3f325c6d0c55df6f71193c4b703f77de6372a9501b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}