Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDRnn+JcLf1cPDY4Ut4Op1NMBtr9J6Psw9Jcd8Dz3dKxUosXnn9+Tpypuwd… (844 chars)"
  }
}