{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "922259554",
    "entityType": "User",
    "nonce": "0xb570db7b455463baa3aa8375142a12f74766d8c8234ba433dd83a1c7f87d7747",
    "signature": "0x03fae794d2897b41c8507aa3c46e0ed7d44de1dbdfbb2764e507ce91a20f830a6e65ba4f61a7cd904c434642b725e08f36c306cd94a430434a25a4f7559e56391c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}