{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe564d10b0f8c9bf37cde222f2c579ebc04aff8ffa486c8575a69c4f5ca864207",
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}