{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x7c4a87a523a6d136a835e8ff74cabf9191fef06d21a38f5daeaf715c2e33475c",
    "signature": "0xd44b40382529eaa8de5192e0b9f81ab484ccbc8ff5dfbc6bc57517e139e9a27c08f37c2126bf9ed63cd2d2a7b9399ac8e3cbf22f4532846a3bd595458ce72e541b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}