Transaction not yet indexed

21NkEurNFoD4U3FHygytL2NbrRe3E5SL9dJqz3YMRPCJsM9AJzYGPETzuTsqoPfUrvSCDEzgNdH2SMC2toVvyWBZ

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