Transaction not yet indexed

MLxEt6KxHA5Zkp6L5AvmFCd8JGDmMMFNAS7Vn1ThpAeUEJmWWdfSdyGUUSkbsdPMWRKKTcQaQcP4RcksUKkA5Bc

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