{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "460109700",
    "entityType": "User",
    "nonce": "0xff4a08231ea4c5e7967c0a49cf17840435c53de344ff8ad8540b76241fdb8b09",
    "signature": "0xc05433f61c2fdf5bd15e266c528fbd0fe8b1a49c88f186ac24bdfa5108d67f852925bb4a00465f648f893393786b46d70f4c22459e5e948922101cbbedfaa9d01b",
    "signer": "0x262FfE6368E86674bFd32404757f3A8B1a189F85",
    "userId": "664900058"
  }
}