Transaction not yet indexed

MECXzUsPKB5PA3JAbRMFMPx3h9UdeiML6Wqvonb7EXJT2iLqeX5ut2oFioWUgUkJLcUT3qdYwP4bHpg1BPt2W2g

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