{
  "manageEntity": {
    "action": "Create",
    "entityId": "1553962173",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"user_id\":328228955,\"entity_id\":1702802992,\"body\":\"Lovely ☺️ \",\"comment_id\":1553962173,\"track_timestamp_s\":18,\"mentions\":[]}}",
    "nonce": "0x03cad51afb453d3561217384688f0f28242153873ef4940d13dc0453991f1ba3",
    "signature": "0xf25dc90040afd4fa405c75e575a4123acec0f800939c4ca912a68674a000953401aae11c02da6f36999e0bef88998db4b82ff61295a3523a6fcce8628e9608381b",
    "signer": "0x76433fcfc10E04743aB4EB98660d4B47526AD243",
    "userId": "328228955"
  }
}