{
  "manageEntity": {
    "action": "Create",
    "entityId": "651294509",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"fucking clean 🧼. smooth 🤌\",\"entity_id\":513225862,\"track_timestamp_s\":126}}",
    "nonce": "0x409a8d12b044eb85e5c2b45d0160cee00e83d93186f98c9325ab8666ab34a0a6",
    "signature": "0x5b1267c0d8cb43ff0c19d462be89fd8c135c14618854b6e7a401416525133b2e75d4cc83732f6a152140ce049f65ad83d6a24c7d5fc5e101f97314a02cb5d6eb1b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}