Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDzxLctBiRDu+Z4KaQbSje1uGBzKHWd1l/Rrr9VSPr08Tzu/PEAxVAO2isM… (844 chars)"
  }
}