Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDr+a9S7QzQSCb2d1t5HriU/bs1G7HRoUc+3r5h3yVxT3sd3vdKKLUphb5G… (844 chars)"
  }
}