Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGm3TYAfaKBnKKWly+4Sd+RW1Gj1/I2IQKBLXlsaQN5gWEWvSvxPxhfSYYi… (844 chars)"
  }
}