Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDL8u5K/wgXOGC6FwO74+Jtz1ymW0A9a3xyJpWnjkBWm1JNU0pF7F3y+xXe… (844 chars)"
  }
}