{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0xcc5d6a518eb1b9b76b45cceb616186600e23cb5af3ff1132100f3db380711d78",
    "signature": "0x8a1da3a29760f4e0aac7d7b4fe8f681cee77a1255423839845a43d7229ea74cc0d046c46926bf12eca24562b59668c22269dc73448b203749fc14e327beb62f51c",
    "signer": "0x5Af531A9cDF9747df40f57531227d70F1bdD2ed7",
    "userId": "511108744"
  }
}