{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161353174",
    "entityType": "User",
    "nonce": "0x3cdc8949047cd9845a814f2144edcdf1ae5c31ae7b328a9c7a8287a4266fd5e0",
    "signature": "0xe3b5840449930d569a06482399db9e0ee1c9576de4f7d94c64e197792cbcc34d2dbb13922062502fef62e712d90dd37210b790c347fdbe547a6a1da68424f4491c",
    "signer": "0xd648B38B61b65e4F8df57D4EE65560D8DaacFDb2",
    "userId": "277314120"
  }
}