Transaction not yet indexed

mttpm5S8ApK2VSEyQFjLvPHF79jcT2t8MprVoPftUM7bYvxe7cwAcm1x3AtSNm5TBRzH1AVk9QEu7EcQYQhcNC6

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