{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x941b41081b6d26a9a856fa245886c162ebdee8fc55d3a208d0c1fc2db08439dc",
    "signature": "0x72c86c7df3580f7fbc6d29152b6d9aa230c50366eca23438e7990665c61fa14f23908552413176990cc23fd2fdd19aea370175207682172ec1dba1de2f18ef3e1b",
    "signer": "0x49aCa476D46A8DeCd8789B82a5E5c05d36dF4FdE",
    "userId": "305528134"
  }
}