{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "731052685",
    "entityType": "User",
    "nonce": "0x65a8d836651560f9f540da94be4ca0922323eed1b354c3d26a33942ef835cf6d",
    "signature": "0xa35975b62a8ac8eea0bd3bfedcaee3cbb6036924a96b6cfbad2e42163076e65a478d440e525abe521b2fc0c82cc6b536d152d8af739b4e6e41d9142f1f4a07e31c",
    "signer": "0x27eB4b469aE053b72c26B3e9c68a655390Fe24fB",
    "userId": "42216"
  }
}