Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFxHrLMo1Yv52X+L5i5GqBWemUGaJJn4eYTVjRVnPwisRd8j8FEA/hzYvnY… (844 chars)"
  }
}