Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFU+1Qd0nL6XhCs+hc/XLBhRXcNxR7yc7h4lx+KNBvN5RDrbQsQx8naCLbA… (844 chars)"
  }
}