{
  "manageEntity": {
    "action": "Create",
    "entityId": "877527849",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"🔥🔥🔥\",\"entity_id\":1390556739,\"track_timestamp_s\":13}}",
    "nonce": "0x64d87d7c8f4e1ee235b11437bba2fa1ab5d65b874c63d9b7641bc863b4a7fe5e",
    "signature": "0x488a2655827b8d74b14eefdd4bfb708c49ee15d959650344b895016ccca2e3612f23d5a99363f193cc3103545f9945ee98fcddedcc929a3368039cb2832ecd521b",
    "signer": "0xcF1BC458908F84936B19Ca8Cf67C751CD647B02b",
    "userId": "310796"
  }
}