{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "377610060",
    "entityType": "User",
    "nonce": "0x9e1b7d7ec470b716ed9d11e1d6c026da5b3a60285e1339ed0d7bc92ddc895e84",
    "signature": "0x654872791d06d2f7e94b98ffcc75e5461c7dcc01e87cd0f5141bfd7ab275140c6b606fcc5c4f9962fa683ef275f57348a027c694132bc777da5fe27b61837e121c",
    "signer": "0x593c2c522858505D4E8dCd51b9eb1C3ec3841aF9",
    "userId": "627652388"
  }
}