{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x158331f309f6f474b28316a37e6e1f703198480236e77b92a4ad3a2ddda933a5",
    "signature": "0x063ea0b83584753767ed715f3dcb455c7918c72bd1de8e8c7d37124971925d3d7df4e19b945bd8b68370eafcf05870ee745f2412c71f7e27972fa59b3f2ba0ff1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}