{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc589d0c4a2da5b1af13bb7aa7de00f17d19589b4181f5344c7c7406f80efc2d8",
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}