{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3c00437963814a742ed7de206dc4cb035a2380eedbc889e41b5a748b6f6832f0",
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}