Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGI1aNPnw20WqggebhzdfT3ZUqvZG9S+E6r9D6F7yPPsG4PjF5Qu6GjbgAi… (844 chars)"
  }
}