Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEA2wgeHSQT7tjGDEfS3G+YbFZ8Yj9hqgKwOq4MdW6OMDTlkP1m2VciEuwu… (844 chars)"
  }
}