{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x905e7aa389b6e884e4234e8c1f359e962f0e1a3aee72523e6cb4366bcc915040",
    "signature": "0xeb6b2fa1579699b841687a6cf3946c56e3e34e1cbbaf8906b6584090c731d287058645ff84abd3dbd5633dd38f321d1fc555a3c26a8ef2e9fc5fcb5df8b408341c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}