{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59669",
    "entityType": "User",
    "nonce": "0x3657c600d335ee90337ad1deb26e87787ebba49fee6caaa6d3e1c4f90c71455c",
    "signature": "0x58e2b27af2b8300e8d9115569f4fcdd4b84f0cc87a574050967a8c9f79e88c6057a45f0bee7ee877e95494e5ecd84e3c5fd176489a0938599059ac32fb683b1c1b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}