Transaction not yet indexed

MJgTknZ1WQ9Md2jBjSSMLhKEKtYTqymUgrUnQSm7nDU6ZaXMgbcUCcqfNNxnWWmGQReTrkDUsMG7FWwkPCUjN9k

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.