Transaction not yet indexed

21Yf53zHxYMAEM2YcKitBcGWonqNtSPEWC1sVFGemjt9d7mxTvFX1EfZhYQyRcopBacwQQTFVLwoSF4Lj3duqLtF

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