Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAhRHIXiw1Zr0cI/oSyzasESPAMzU+nBm02bCveYPH6QWLVw5F7k6t5ZvjJ… (844 chars)"
  }
}