Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwABHid/KZoMRYYA4uYoZFB+4JnrtkkxFzB3oCS+/LVctiV+24MJtX7i+Iy4… (844 chars)"
  }
}