{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x02dcf64657deda471d2801d85dbb0bbc95024424274a6b5d7231fbe1765e2f51",
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}