Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGdDIL92Gute1AXGhAWq3snGxI+juXJqkgH6b2mQS8d6CHl5Ii1X2x0+LT5… (844 chars)"
  }
}