Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDa/LU7my2dYPD1d89YRFT9IeHv8IwNL3Q4wFmCGG2RiBi+R56ERc6lSjcB… (844 chars)"
  }
}