Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCbPw7xRnVPq6+LfNOV/B/yEb5bST/6trqPMj8kzTFm71iq6cMlD/rKeUEk… (844 chars)"
  }
}