{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "861108288",
    "entityType": "User",
    "nonce": "0x0b48bb60877e9d0fe11f5e3de382b58c7bdf4abd1084f06d6970dfaec93d04e5",
    "signature": "0x875ea8619a9ca486c7f9d87c25b2941d883c8ddaa4a5c8e3fd12fd2fcdfbf3da1ad2b3243093bb2df4321362b15cb2056bd4fa38606fc24c6af18a8f75c636c71c",
    "signer": "0x38c65d779554649264FD5A23B412Dd6237e675c2",
    "userId": "839739705"
  }
}