{
  "manageEntity": {
    "action": "Create",
    "entityId": "924539988",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"@iLLPeTiLL thank u!!!\",\"entity_id\":142775029,\"mentions\":[707937],\"parent_id\":1693257513,\"parent_comment_id\":1693257513,\"track_timestamp_s\":0}}",
    "nonce": "0x5cc4862b204a69ab8c19a3c685df73b29d6d0b00682aca130922bfaaa4d6b8b2",
    "signature": "0x61c8fe6c5b023039aaa25a4f5093bbaca4a85fb135b48d8d828801ddfd37ab0b069bbca63daf77beb2ba901aa41e89e764dbb53008be6fc22ab093ed10f79dad1c",
    "signer": "0x1874B7817bcc33522bD9D33b6cb197A1Ed939E51",
    "userId": "235421"
  }
}