{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "311257477",
    "entityType": "User",
    "nonce": "0xfe7963d8a4afaf850cd9e12824e196fd3d7a965c54aed1fd271cd6f337012271",
    "signature": "0xcd2de1d730b5c8e58da9de9c42fccb5f39f53029b9546cc4ae62d22d51af35cf5c2116a1ea4336e0afd505d33bed0d632c4511884f4778ce753ea9afa8fec7e51b",
    "signer": "0xA66d5981794A5e084FBD9adBFF28F465924fb9a9",
    "userId": "980224167"
  }
}