{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x61572c381cf8f5a3d33d8002cf39472ae739eda98b5a37e4cbbb0fa53d81a612",
    "signature": "0x11330d01f7b1467e47ced388a0734cdae45587c13e9d9f4a8f1dff064e681ead44a5b5959476a322d7382d94047f7ece0759f0823b8f7f95adfb9bd72f4f94b51c",
    "signer": "0x28E041745695914518512137a56c9810034C10B9",
    "userId": "134529"
  }
}