{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x32064d0f1adb25482526fec28df017f57e7adb20b5d87aa851f891efc30e5754",
    "signature": "0x54fbe0270f8d7c6c1b1a92e724d832a81e6c04684fffcd455f4ad677e61b910563192847e10efec02a4ef0251cb878fec9d25c33bff13ed7893f2962e138c7df1b",
    "signer": "0xE35DcC5C816D790A9f730B4696F43Caf64d5d1e6",
    "userId": "603916020"
  }
}