{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9956",
    "entityType": "User",
    "nonce": "0x616b39ecc12f9e6f2c4372f640a2f51093f01f2cefdf9c13eca72ce9e22acb86",
    "signature": "0xe78cceaf1df81fd1ce2f2237ee07cf18e8e18876a6ef4e9c219f1aadb6eb923b5a0ddfb3c2709d19f1251130148f30f97cfccba1d87946dcb3aa940f88de8eab1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}