Transaction not yet indexed

21C6b18sngJ7fpVtpzY7VYwSsFr3nMSRLVRr9F73DP9zoExoqHh8gc2whwyG3bKdjMeVRggwGKtA5dDD5NakaLS2

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