{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x34f8d9ea736dcb54eda3ac29d42ecd210ae6a07cd07fb07218a49a30e429c3e1",
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}