Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEtuY8YrxToVy3JzZWQJ9xIYV8h1i/VLLVrPn/FBwtjhA23K7x8wfPG7ZyN… (844 chars)"
  }
}