{
  "manageEntity": {
    "action": "Create",
    "entityId": "566024909",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"Heavyyyy! Sick yo!\",\"entity_id\":1155074499,\"track_timestamp_s\":83}}",
    "nonce": "0x8890bdda85768d5cb3531a63e91aa3aade9a2c0aed26dc9818401d6d7b83c811",
    "signature": "0xab735cc8c77f61a0aeca4552039ba61b3de91049dae4c715ac2e19a36e78320a40c6cc117c6ab44c11991f7a97f5682726068327c84bcd8ed5704a8aa3971b301b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}