{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x29f1722a1ea14f17463dd8fc9e09397f7205b3ce6d9051f447419a450e511100",
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}