{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "870665506",
    "entityType": "User",
    "nonce": "0xc1129587c238ab6de5039d59daabe2e8b410b0c76f0c8c244227dc09c924aab4",
    "signature": "0x0d34d037079b89dc534b93ad21db3a28caea6a46c4f8ddbaa490743cb18dd33c0e440a16d78f29cc5880bffbb7d73e880a00a3c9aa35e0590c2ffac894186dc01c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}