{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7a05360f97e518145f3f1b4cc210c40b2420cb464fb4300902fe7c60362d8c00",
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  }
}