{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "301637",
    "entityType": "User",
    "nonce": "0xb740bfd8b68fd63c067050f967b573c4e29924ad6316169d373090de2b48f51e",
    "signature": "0xee4e5b329fd59ae17051dca75749944d4831d12ed7b1bf32c016bb6dca2dde143a1107b1f1285f8e27c21c4aadaa2852d930a45b0343eb66f8a81b5a42c53db81b",
    "signer": "0x9c1a2996a6DCe12e947BD7C8A755b6150A3eD5f4",
    "userId": "474113241"
  }
}