{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111467392",
    "entityType": "User",
    "nonce": "0xfcf60f95b54aa8d1609660509e668383c71388e03d07e6da9eb777af51e63cb1",
    "signature": "0x392f165b401100f5a9803dc63d0d5d2439aaf35c06dd6733ca68204dcb11771743c48004d424777b4714c884fd41d351d2061060ca33c5f0ccdad53c8cb7ea7d1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}