{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x830110e3d6e3a82410b7384716d4ce8e860a08cdb91243e0fbbd30a304af9ce9",
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}