Transaction not yet indexed

21NuMGmRp15fUEtESrECLJnoBcpBMARGeBfb9HmVFeoE9kpD1XGpy6E8mQXBQdBiR6ranHxkx9rrt8xQQbYucxYf

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