Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGxe/wAO9MZX40xHJ9DvcJtl41pVxUOuQm4irzSKWlSGFQgHlT8PAGkYWN6… (844 chars)"
  }
}