{
"manageEntity": {
"action": "Subscribe",
"entityId": "348740",
"entityType": "User",
"nonce": "0xd42eadd4419e1eff3e380d1f1d7f9d74fa85e6cf1de4605824a0a6d7a544ffbe",
"signature": "0x199ac1e482a99723306a85b2c794446ef631aeb71056862b4d3174a8a209b8fc0277363501d8ca48710575dd9dc539f50778683f02bf9dadedfbd1cb3b72443d1c",
"signer": "0x91B3395fE9ef3DbED960814b746D5090A733122e",
"userId": "978171292"
}
}