Transaction not yet indexed

MdJs4pz8gQuR4RSRf4KujeivSfEwhKvNRVidXGnCbAEgjVcfQLkpByUMpJWfYFQZyeXgJQiHDVzheoR1rPTP75v

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