Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF1DILP1K3ULQFCYlFLmHaj9bU4NMR/xzNFtNAwvLEJcg3XMX5RaW6pQezB… (844 chars)"
  }
}