{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8366b6d744fbbf1bdc6c56a44a4a3f26f439c2a85b0ac40cf17d9bc2f1071ea1",
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}