{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x33b956289a2b3f50f741583f2a31302fe14f1375b7b1e103ab11560d0e6f5c42",
    "signature": "0x2567cf2efffd780469c16ed9924d2e81bae91136c31217ae5906c3738991238f62486eedf6e679a693222328f0a5ff95a443e4389bd96ba0c14b1448aaae1c461c",
    "signer": "0xDDCce44d487ED1f7297d836241df35AAB6D867b0",
    "userId": "22610281"
  }
}