{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd508b1cab3c199d632bc3401d788ec5f5227970f05cf685bf021056c0c291162",
    "signature": "0x089ebed5c4df131261da24ba2ae7eded8378b19198c76ff2de7ab8646c705d8062647ac579bc5c6c5460c9f046851155888b844cc65c5bdbe7823b7a48e209cc1b",
    "signer": "0xeF17f935f7C83FA2B70C9418DfFA5de7c3225467",
    "userId": "576005861"
  }
}