RelayProfile: {
    banner?: string;
    contact?: string;
    description?: string;
    icon?: string;
    limitation?: {
        auth_required?: boolean;
        min_pow_difficulty?: number;
        payment_required?: boolean;
    };
    name?: string;
    pubkey?: string;
    software?: string;
    supported_nips?: number[];
    url: string;
    version?: string;
}