Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCyf4Xwcc0dPNwUD6E3uEUUMTi0TRaHcEv/hN7Rp6YJmWsux76TsnFRV0jz… (844 chars)"
  }
}