{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbc871c91122a765c1a8b7a9bdc682b1b00ad7876e1980a8bf625cd8d968f7584",
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}