{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x3042535a9c17d4830717eace366a5a1ea6e8b9a6d06690a3400da1f8a75a78ad",
    "signature": "0x8f92c3f3d10b5f791599cee39cfedfe3ce211831c1c7d416d49120588fdcff807227f6a2248aea6582c156744e7dc51dc5aa43fc46b99e3e77cc3f0da68e65f91b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}