Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGv+kqE46LIZc0K86+Al+bS+5HIxOWBpvj8NR+VEF5u6GHmjlJowwDO0/hv… (844 chars)"
  }
}