Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFQpNiPRoDlGA9TmLkSAZP5dzzVw/+rSV3JwFOPZPHaECZg/pj8HpWVaLN4… (844 chars)"
  }
}