{
  "manageEntity": {
    "action": "Create",
    "entityId": "848262607",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"🔥🔥🔥\",\"entity_id\":1503683375,\"track_timestamp_s\":34}}",
    "nonce": "0xa92a8dfce394302d4a915684e8c081f9226545d504d4979626652569a474a664",
    "signature": "0x15e8faa6a0e40201c69ca1ae183e8481f56b86c8b733c8af364bb261213ba2ab1313208d6ed7cc49b4d49b7cc961f5cd7306739eff14e22074a0180dab73a05f1c",
    "signer": "0x9436FA87F6c8C3aa9e0F0fc7960566dEeB9e23d4",
    "userId": "2047015"
  }
}