{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0x810f011a54e73a49c8fd587f57a6521ac045d25c916e7d5e91a78d76805bcaf6",
    "signature": "0x4b1b28e239d311640232aec78a0c3eb415443ee0738166c0d48442a9d3dccc603ce198de5c9f4d578ce9d8346d0d20bc7eceb8ed3489d53d819de82589d683131b",
    "signer": "0x2a14233e1f50922EA23fb817931968707B6A04c0",
    "userId": "727256442"
  }
}