union MessageType = TearType | HeroType | PetType | UnknownType

type TearType {
  recipient: String!
  amount: String!
}

type HeroType {
  recipient: String!
  heroID: String!
}

type PetType {
  recipient: String!
  petID: String!
  name: String!
}

type UnknownType {
  known: Boolean!
}