Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQA+ADVLOAK4afgEm8FORA7aMXXoRhpFtQq4PianAZBpyyp/9Cw8WdQHm5fq… (1,748 chars)"
  }
}