{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0d0ad5f3e5d5b9d6daa1b72066fb631035f6efce678cb1cbd23cb941ae1fa7e9",
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}