Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBMO5mL+Pk4eN/Op6MCUI0NbgHILHzHm3ApLu146oPbQ1IXLelH5+s/ife5… (1,748 chars)"
  }
}