{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1ce973c503c4b961cf28c9f4682fbf64fe35203d34272d3edd762f78ba9ee7c0",
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}