Transaction not yet indexed

121B8bcXCNWdpQrgx6BcWRJrjaAYMEyxdfgvSUJ2s9Pn6AZtEFZHcSRNmaw9daWDb41coDsJ8pnqXrGCj3ybCNb2

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