Transaction not yet indexed

McE6urAdXzKLeUTr6iyxN2x5AS3us6ay6k5B5aVnhpx3vGDHfpvxTSETxiRqrp4ZY8CJNRMcmZLyzy8VBff9yB4

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