{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "32067",
    "entityType": "User",
    "nonce": "0x845cc0ae0d771e99d51a8ea6ae9092d2c4b72a585b0d9d8b9b46579ac0c39734",
    "signature": "0x50b77bb59850e2842a6bdd381cf5363675cc521b811a06a12f1b523a5767dd5d1e5817a70fafdb752a66f6a104b50e2d2756c81e1f09afc2872798c60fbe5d2f1b",
    "signer": "0x309485398189eDFE8eDFD46F042CC456e7057B57",
    "userId": "300330275"
  }
}