{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55234",
    "entityType": "User",
    "nonce": "0x80efcddf8c1635a21121950cabba60467b42baef87d68abaf6c533b5bb758572",
    "signature": "0x873e5e8352c8e3dcea97e12d40915564028091baaacc6513cb7d15a92ea11a0a7d10c1494f709924d9b38c80a70c01e94f064910f8ceadd39b01531097889faa1b",
    "signer": "0x4B8960b62360073E2472A74bfbd80138387fE211",
    "userId": "86339"
  }
}