{
"manageEntity": {
"action": "Subscribe",
"entityId": "728570067",
"entityType": "User",
"nonce": "0x9bf7adeb5bc974b6b99ea446ead92c50eb1df507f1ba5c3bd39bb681d6c9bd66",
"signature": "0xe6b9d594aa6a76fc1eac94fe01fc32d74498cb13925134a322d6d56ea78d6a5c71c1aa968bb0f89fa527962d5682f9d5ade8549de1e313036b98143e3951b39b1b",
"signer": "0x80039Db0B0400D2699a0A8A5CC63821682080654",
"userId": "580920017"
}
}