Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG3P1dhMJRJ3JSoqtkBCgP3Bh2f6DTbqs9s9j7dM8eyiTmKH+dRvyQi2bxJ… (844 chars)"
  }
}