Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDG7cSz1w3l+152i2iCEaQq2T2WrVW6kdOF1W0rO4Y3wF+UHX3RMDKw9zcV… (1,748 chars)"
  }
}