{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2951b448e20415073dd3d9091d3378579caea0ea0ee55aa73957d85a9192a29c",
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}