Transaction not yet indexed

MNKBTzHC4Fa8Y7Jmt3nuGzcTka3Z1FJEK5cizG28Meb51E9LcqgwtShjjo2aSnyDXyibjVT1Kubutgx1qb5MHAX

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