Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHkNbNsb94nB1HrlJ+E86y/yLYGaQFTrYht6mFZFJ2d1jVcJkYHPKC7+ej+… (844 chars)"
  }
}