{
  "manageEntity": {
    "action": "Create",
    "entityId": "1435888678",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"🎶💥💥🔥🔥\",\"entity_id\":1581226774,\"track_timestamp_s\":106}}",
    "nonce": "0xb45ea2f389fc1477f6c8d3692369e6ff1f8a5fe258b2c9feaf8db63ed24959f6",
    "signature": "0x8e922a13b6c1271270dabee2c96d2f31e6980dedb62bd78fcd3262f7d043a6967d529f4c716c2627b07e2cfde70a6680088247224337004d5df292f35c39846a1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}