Transaction not yet indexed

MBw6mWFctwAjcVGU5RfJvmjMzrmDCj1qeJnbeYSZECRdfxhvsvqcGCe3L2LqP18asHyf3yUZXNfxRF8M9REhA8Z

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