{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xa821bc37e4122f66de438f9f4662f96ea4bd0282e781d3b43b812bdfb13dd421",
    "signature": "0x13322adeebabc47ce0e11112c43563e17d437630f168150431f51ecfb99dbe285aa4e1bdc9d67568aa9c9700576b05bd64bf5daa9d895ebb11ef884ffd54576b1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}