Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF2jZ+9Rvypve+9034RD6JP9jGgTjORfgLkQmQnKYKrN2t1EY7QvYGOJ6ZO… (844 chars)"
  }
}