{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "110323688",
    "entityType": "User",
    "nonce": "0x94576d542fb5de73a3f5777bc56456c5b379032bb4393bd0aa5457ddb0e94f6f",
    "signature": "0x992abbbcc6d41a1ae54ce3bf95dd95d651a0f9cac4c6586ca740c76a7e29f8ed1afcf66f11857621a461a0669715f4935ce16168b6fa2ed3f043bcfc29677ea31c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}