Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG3oW/ifEtfwQvfYoRSirvjLzMGxrw3Xhi6V+UtnYt+lxP16prEQxZf0B6j… (844 chars)"
  }
}