{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "330240",
    "entityType": "User",
    "nonce": "0x92361a782e89d51d0ea1be033bce4a6ae73605637003ec7ac42a7d51008496fb",
    "signature": "0xb2e2dd92dc6c1393a665f0dbb5aa8a9e792a3b87be29bb00ddce58637f29370960f02bb86f1f03d88d8a19134aa51af2084f1ec71b82446adb86b49ae101421a1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}