Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGpNbPZILodnABwVdXbRvG6n6R5+rQaOQ+F0nBufaxvZHHYBLFcpvgUHIJC… (844 chars)"
  }
}