{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8f099027ed7f2a32b335f24a1ba3880e2d8dab51a26cb34bc2de8038b27b6a43",
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}