{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x18f744f0f51beba3dd7c70f8f55ecc15f74e2ab9a7b82e2fc0009e1cfb0f86fd",
    "signature": "0x8c71d6667d4122c354342b1257f6cf615bd4dec8eeb5764e3bcc9370a5f60d79065c11684b15dd9f614b9d6683b38e820b01971ad8142cfb7df0035e6334c5a81b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}