Transaction not yet indexed

21Tt6D6ttvxH9RQXXFUxotXAf3odj3CfoSa4JBvosdoFbT8DvmDMiiFJ9ixsJfQUcBnkto4S83JgnSw2SLhtyiJu

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