{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x82af2f3d1f8584c9e0977c46e2febe0bf80386dc60469f32dea0e365ab899c7e",
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}