Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB3WPK8sJeoM5Qv+SMy8ttZbL/zcr2XZmFtVLn1wZCPM1uvnkqykH28uTBY… (1,748 chars)"
  }
}