Transaction not yet indexed

5MUMfEi1mUB24C2yoqsMqwTYwS6GG6A497VxFAQkC8iP6BtpNmNhNsLEWMmXdm6xWqKGW6bXBATeSCyWaxNZQ71t

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