Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGyCE2RWRu/EyWDx5S7E9K+0ORcU9DWNHSQeQN1Kkm4wmjjL5VVOFL8cZhQ… (844 chars)"
  }
}