Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAqgaA+jMgw5WB5S3QRhKfrewe8mShFM8ORBEaX1S/78yMg2FYLHQFi2g1P… (844 chars)"
  }
}