{
  "manageEntity": {
    "action": "View",
    "entityId": "12890",
    "entityType": "Notification",
    "nonce": "0xda411c7f4f3546a2560a5ef26d99a246901af58b85bb6dad2d27a9c64d078d99",
    "signature": "0x3b002c3dd8cea121f00a0d7ba2654d246fe0a019d54fb4328277edf679a917eb623cfe4c356a8beb22fdcb3e588ea6df3c0ffc0f6d015a3d89becc2ae6db2a3d1b",
    "signer": "0xb8Bf68e2681FA1A8a8ce9c78070BF9644e947378",
    "userId": "12890"
  }
}