{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "451684863",
    "entityType": "User",
    "nonce": "0xdfbb194102d2b0c6b29a933c91fdb3843ac33ac89cd8689729d45be20aa1f3ad",
    "signature": "0x1a7a6a81179159a1fcd3b3d2b34ea894590c0a0414ea3be5d5a655dd7fd3d1162c60d9b6dc2e6a7c86c66d19dccfee99e588af4becbd5b92187cb084f6468f341b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}