Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBcjFj/rlgklGMDn9WsmDX9I7upr5VCxA+EW7hc1cgrVRb2KMyMmEKZ8lO2… (844 chars)"
  }
}