Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDh6XJtWFD4IImIkbFjCBUtS6HLKgMM77EEXW+axTtEQnNdnMM61rCa5SwJ… (1,748 chars)"
  }
}