Transaction not yet indexed

21LLPHgPfqdwKGSRPAzKUm1u8WnEjKLSMd8aVzJeeVYL3PyS876WZKgtiBDBkBVjaa1Cs2h63jRDS3CfLRabKPNd

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