Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFO/0U0BHEcg8JyNEVnPNBcRKrsOEZVtV6xlqYpbxGUPB0hTxbrgRx4QdzE… (844 chars)"
  }
}