Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF6GaHY7boa33L/wygHXNSMgo7wRxQn7t4Lb8lZM1RKgG2SSsR1b9JMcPcY… (844 chars)"
  }
}