Transaction not yet indexed

21C6PkGTdjJxnSVNUQsrcpaRZeGSBgrrD3mvkmXZu4wnrEZaAnXea8ioqwSyhSrowv7rhcdyXgjirpTwoB2u1QVT

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