{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "438312347",
    "entityType": "User",
    "nonce": "0x20ed036a888836da5d10553a06e279249a9d85575b96fabaf1ae543a50525d06",
    "signature": "0x7d72b546ffa38deff15e6ccfda95c5d9d7637db56636c88436c891dbae7c36a85132b2323ad5fbfd5e4c90b1d7991c5cda38bd020a421089588e9cb4beab11211c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}