{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x94d9473ac59ce2d86d913957584693a869c29e689b8cffc5f4ac8d707d02d34b",
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}