{
  "manageEntity": {
    "action": "Update",
    "entityId": "1253312911",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"I love this, bro; keep it up.\",\"entity_id\":1799093975}}",
    "nonce": "0xeb79969b50ae164d048ec490434ca5a2fe63a9caffba7606401fd078ba1760c3",
    "signature": "0x2dfac1eb1013287e3334f0389d063967ea526755f1daee698bfdf0389840aa0d3f0a3b4eada96c00077fdc8ac65eca22cc20e6e83fe6745b21779c0dd91c67de1b",
    "signer": "0x3cBD459BDa3689391e5Ba5362C50E5a91971c959",
    "userId": "712641230"
  }
}