{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "202268273",
    "entityType": "User",
    "nonce": "0x81ca8a36acfc6e29af951cda9fd10bd62f16e0ae5843d218101c7f4bc9889014",
    "signature": "0x0caebf712db7648547a87d0e137fc123155a72196dec52328dfeb1540dc8c74d36b4107c120d39631c2265580244cbf1e02d41274172771976ddaaf8a57bed911c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}