Type 'Long' is not assignable to type 'bigint'.

Argument of type '{ signerInfos: SignerInfo[]; fee: { amount: Coin[]; gasLimit: Long.Long; payer: string; }; }' is not assignable to parameter of type '{ signerInfos?: { publicKey?: { typeUrl?: string | undefined; value?: Uint8Array | undefined; } | undefined; modeInfo?: { single?: { mode?: SignMode | undefined; } | undefined; multi?: { ...; } | undefined; } | undefined; sequence?: bigint | undefined; }[] | undefined; fee?: { ...; } | undefined; tip?: { ...; } | un...'.