Transaction not yet indexed

1u6CnDCFDcPuf7xqsTPjUpEh4ug2vVDnExif2VUzqNGi9nxa9MX9LPNhVnuWxwzX3W8GP9rEMcF4L1NV28mgQs3

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