[Add] Structure

src/models/iota.rs

@@ -0,0 +1,9 @@
+use super::IotaId;
+use mtp::crypto::PublicKeyBundle;
+
+#[derive(Clone, Debug, serde::Serialize)]
+pub struct Iota {
+    pub id: IotaId,
+    #[serde(serialize_with = "crate::models::serialize_public_key")]
+    pub public_key: PublicKeyBundle,
+}