Transaction not yet indexed

21UfmAEPmxN1vknzoAUJStcS8UWnhLSMSP1eunvGo2pRRFybVy8x2Z2sDj2PZRhtC66cQoGR9TLvfHJGCgfJ9cyZ

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