{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x39f54ec5ee4b4fb8e02c7b6a065bd9641aa575f85ff3e6cfbb4b8a5216f49f3d",
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}