{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "331233",
    "entityType": "User",
    "nonce": "0xcff2a0ac5049d0f83658c43328cdaad9dc10af7f251713b3c64f5c79ff9d9003",
    "signature": "0x9708e6580ea03a972f0e44fbd31cc74187bef7b15e0749324d00c8dc2847cbbe061062934b7aaf8c6beef38580b70f2e8f118af99e0c1131e4c882259448066f1b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}