Transaction not yet indexed

MMCvKYZ2qUbvV9eJdeVL57QH2UEPbGhirhGe7JdmeeNVFtnc21uQ2dJWVmqbRcLZDaaoXBDwbpsCocCS4FckbBS

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