{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2a0d6ccd603ff1ece4f05420dcef0ea9f8b57be3d396c1bba53a21a214750534",
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}