{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xadd059bd72bb12e7b99463be361146612d7ad6644a2fa274c1624ac0280303c3",
    "signature": "0x7b671fcdb889a0784a0aed17ad0561a418dd5d71edac31fdb054febae953e1ca481e62c3c58fab98dcc80a934ba55a59d6754d76621fdab819cb09abb7dc94411c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}