Transaction not yet indexed

21Um2KrQkWD6GpWRzWpeV9GJk171EAgEadmE2WMmcNguNw2p73mYUTBRbsjncQey8U2EGpSGcPpDDAqkCTSaidkX

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