{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52670",
    "entityType": "User",
    "nonce": "0x30c311cb7971741f024dca228c9f3ab5c0c40b2023f3c326277b9a132889c353",
    "signature": "0x9ea4e5442913966027cca0273352008a7cf55b21fba5e4b950b56ac9d9e9f5c95c2d4f6354db0c58ec14ac11029b4a959f9932fa2dc5b43a124e3314902ad6dd1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}