Transaction not yet indexed

MARKCmm7Yz2bpBNBrXgwPHoUy3H1BXZqBdDWvcuMJKHZjRnE38pQbJSZKvQARMfkwSFMEoYMwDG62dTdiTCFTqf

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