{
  "manageEntity": {
    "action": "Create",
    "entityId": "2051878258",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"this is a sick ass tune! 👊🔥\",\"entity_id\":1990819150,\"track_timestamp_s\":127}}",
    "nonce": "0x56aadfae17ee2815db59ef62eac991156afe37900f3e6fcbfb2deeedbd8934da",
    "signature": "0xcf6f3445ed1000263c9f03b93c6edf12f7f84f772582342d08225a51f59287e95d22f95b8d8aeb1ccd92b6631223ec33d4535cb60ddbd82c72465a74ddb8e6441b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}