{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "327343",
    "entityType": "User",
    "nonce": "0x63a3c725f396c40c962a579715df06d6f99ff8ffc4c62754b0d7a9b95b032c8a",
    "signature": "0x378bb1e7813289032c8e51d07aa51670a03995a282bd09fc262610f9b716c8c25193b38758369edcd2ce67616e5dc57c82834372f13b019671a6df26656800661b",
    "signer": "0xad1E2A70fa1227797344FD6df31327a26552461a",
    "userId": "153162"
  }
}