{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x17f079ed83cde688814ca125c450ce1595a21be4c0600f9a2f12be68aa37ada8",
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}