Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEW3MPfh6no8YPE2UEsI1EMPaIqvAz1lnM3MvQ8LbZh7Wla6dnzI6wXeC2x… (844 chars)"
  }
}