Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB0n6vCHrPXfBJC3w7MDgOUbtZqnYfVq7H9Vb8sJwUUgxwweNPJJB33s0YM… (844 chars)"
  }
}