Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFLrGGJDoJAySHFv80h/Td4BzTTBbZPtA+sgOzRZQeqcF0Ukvs7eo+bd8vA… (844 chars)"
  }
}