Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDi3OsSq+LAaUVXjWm+Tp/rF4h9lhR1p/G/R1WIRaYAghO2LA7NU/GrjRhT… (1,748 chars)"
  }
}