Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwLmhvKB8lj2eM7XZ1Jz1p3TWdeAO2+LDu6QIPjtaDsqmHfBGhN5h8XFV0Jo… (844 chars)"
  }
}