Transaction not yet indexed

21C4VqhSrfXKXHjVCpKzMC5FKxgGNikpzKEDfnSSaXmjqrS1aVDAePxG8ueA48G8gmVS27kSrnBbSL5ghViFtbk6

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