Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwC1DoY4HBwooHcOiKOTAEJI8u4uEMsYPSGEfL1gbVeWQ1Ot7H7Q9OxMV6rE… (844 chars)"
  }
}