{
  "manageEntity": {
    "action": "Create",
    "entityId": "1232144382",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"🕺🕺\",\"entity_id\":251045972,\"track_timestamp_s\":465}}",
    "nonce": "0x472005c9c4c4dc3841140dd205acb21d9b1de658c581dd6c4de37cedc8a29c4b",
    "signature": "0x93106fedac22d101439abb7675d63aef63f70486a9b716a6651e517ee6e2307e5c0c3b42077d1fe1744653f21b25b0c6b3057c437f9a108923bddfcc050d0c711c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}