{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22160",
    "entityType": "User",
    "nonce": "0xb7f8bed0abfee11294ea9bad175b8ca33947b55f4b0fc4fb7bf013ce79c95fd0",
    "signature": "0x3d7285c7aaa8768956332941cc4b2d1fa8fdcafdca2f2f41b85e698d3b9ac24c6bcdd2149547d7bfd9bdfac4a80c0090a9dc4f93f86d6c593967fea7a49119d21c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}