Transaction not yet indexed

21B6AmqH8f7uT6Gyn5h1LFN878kf2GxutNBDaXBasMD8euBP7MJPEyduDMVT2saP17pnyQ68Pd769FRdryZnG9hm

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