Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHjoBWBsyW0ykp6C+Vwt+lYo5y0zRAvW3R2VEHADSfU+kNKVMYGbak24puv… (844 chars)"
  }
}