{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x347884ac7d93480d3be99f808f3034cb7c952ff945eb94ee3acec985248e87f3",
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}