Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQF/x7UYwKi6MP2m2ez1w0x+7hzOp9Ntd7T+WXS9fedVSyT5hD+i+urO+ovp… (1,748 chars)"
  }
}