{
  "manageEntity": {
    "action": "Create",
    "entityId": "1348101690",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"user_id\":20,\"entity_id\":2129435641,\"body\":\"banguhhhhh!\",\"comment_id\":1348101690,\"track_timestamp_s\":55,\"mentions\":[]}}",
    "nonce": "0x3f0c6e8d14e0d5d5bc7bfdcf45cd72e6223cf18cd43ef6bf38cdc29a9131bd7d",
    "signature": "0x6b96ac125ba1e3f8f0b93ff1b7e8a078dd6a0bbf9668f55bc5d25ed9a70b804d7b4ba17235eca12c80d494624075892347873083623104740d9572d3a56152af1c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}