{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1f29312b77a4585d704b90808d89aaaad87a5c0bcf7cde9f72254fe60b1e6df2",
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}