Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGnwXbFiaNdjWIbNv6UAXn5gib+Rl4vO2ZGIW8yOQYDAW5HGPM2jdgA1bMi… (844 chars)"
  }
}