{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x180218e936dc36a7895a2cbae5dfb66df1c634dae24125ab2abd34763ac4c198",
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}