Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEOLtmXn2/4b3rCw0dFADK8262qbN8BnDRMrTSjJmXCKCWn99R+5EDwkTVQ… (844 chars)"
  }
}