{
  "manageEntity": {
    "action": "View",
    "entityId": "542199443",
    "entityType": "Notification",
    "nonce": "0x9e0ac7c7a41574dcbf6ad0cb4417414014329b61dea321ac8a79c88d2582e54a",
    "signature": "0x57d93057d6069888f4a4835dd241b212c55ccbd1a61c2730a6c44466b340fe8875fd219f301e0a5de76030acac3a3cfefb0d4efc91b7d05932ea8ec26f99ae4d1b",
    "signer": "0xb16EBFFc674cd3eEB33d390F6e30C444a1144DF1",
    "userId": "542199443"
  }
}