{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326088",
    "entityType": "User",
    "nonce": "0x89636da1a1bba20ac54ee9627790cc41039771337e97b83b2235cbda09f4057e",
    "signature": "0x916d7137bcae95d5640a9c307a884ac5d6b6c94e07f3a7fd99b66ee28b623bc933c29ec804b4196a3c79c582ff038103ea9e4faca05ed4c9532b2759c414d2b01b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}