{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3f0a515e37db9ae7f10e2900218dcea1d30e3b8cbd2d83aa35346a20c1ff5e56",
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}