{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147329",
    "entityType": "User",
    "nonce": "0x0ffed0d408e653f8cad8fd3d0f3236a5f48bd3271592b3d26e549d2676b2153c",
    "signature": "0xf511f9b20f7cb30586b5a00c60b44ffff9c109bb4bae309705a6c5801387d2fd50e73ce7bd9085f017bc320a01b2596d8e45a2a522855e305b87d81aeff7613a1b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}