{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "528688046",
    "entityType": "User",
    "nonce": "0xb3f6cfc34fbeb8cb113d9586a5e65046bbb82a7ded7798ad370f2e5f3161a2a7",
    "signature": "0x732dd494fab81e371f64de5dbe184295bdabf8c69e687c5f5ea3f762430fa0861e8a52f924c8b9ff1dc6aef12ba0c4c688239803a6da0ef74cdeb03f352931431b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}