{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195",
    "entityType": "User",
    "nonce": "0x1ba247acbd5ec2fb4d815d6be6b295f36a7077529b89cac3da4fcf12855c9c88",
    "signature": "0x5a5aad43b2008779da656e070f8a470440a568217183f596f634d34f158a854f1025c0375417b83897000e9578f0a89e3dc46fdd2352690fb16a52ed96a281951c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}