{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x35b7e93ef4e2ff64a9950a846ab96b5400d63309cec890903e941a4d2881b8e8",
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}