{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfa3f79dcc166a8061038d3533e1c574e8048f7b328f51c07283584eb8dc12aeb",
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}