{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "618242981",
    "entityType": "User",
    "nonce": "0x8966a258e9256de4d0e89b225b28a3bf78e5a9af5d4b3a5197ccb26a8cef7da8",
    "signature": "0x3fe47eb991c107d07741aaf7dfcc3311b3e694667a8cf4de5892a7fccc60821d4107778ccb47ca9f1c4390e7873805ddad5dbe43c136240cd7a5af6cd02e55dc1b",
    "signer": "0x92632D7BE74bA47022399097665C226D2833ab2C",
    "userId": "327722"
  }
}