Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBV9Z0k3P5c9OGYb0QujDtDb8ntNWuyxpXgONBLZQP3CxEXJ+lRCfbw6FYB… (844 chars)"
  }
}