{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6e8eca4b36196dbef1a2f85b6a9b6dd3a71a863898ec56c3e96843214fc18385",
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}