Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBMmLD9ZKfPPt+qLQIc3T2DUUvdpNM9W3EYd1ApTADjDH/Jf51qjNMglSMq… (844 chars)"
  }
}