Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEZ4da7wXcNOQnMCr3/TnTuoKuz6C/MQlyYDg9M+k9fqQkuXKwB6TKVQ3EL… (844 chars)"
  }
}