Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGhR5k/sgXkp9WGcHazEaHlsGJewlELNOKP0AOd4+2j6iWxfkeEzPFYn6xA… (844 chars)"
  }
}