{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x98d2da5678c00db0a6be1cc9512aabdbd47eb95780d9db9ae6201cd0877d107f",
    "signature": "0x45f1bf2dd4948e75ce15a7db890767d866ae99f972ac736c53ec77e6fcb0cba7579d8b2b783b57243aa859bda9b0a60242561b809d5bb6c1fc6a5ac5b2d11cc71b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}