Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDwI3BwKUPnLjpVm25tfCUI2b9Fhvhiwuo/dcp36dxCxkjxcQQeZ6Bq0gvJ… (844 chars)"
  }
}