{
  "manageEntity": {
    "action": "Create",
    "entityId": "1923248981",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"🔥🔥🔥🔥 yeeow\",\"entity_id\":2019415822,\"track_timestamp_s\":50}}",
    "nonce": "0xe627a94db44216d236f68e879f8f8078cf6318404d33ecaf5386b8f084b7832f",
    "signature": "0xf52f32b6362134602f2b1b8a895082e55e7c580d0174bf4f54f6e0acda19f4e044f96a653b507cb8c05cef89ddad4e927cb0f4521a442551e251fcf3be2747b11c",
    "signer": "0x91bd78F9CDCfC077e79bD1B81F9489ba0eF7f23E",
    "userId": "692723309"
  }
}