Transaction not yet indexed

21KP4NMhKCyzhsUB2kcjJxTw5EknUGyXHPcf2yC5M4D1m756PakSRCwArVATphUdvEKX8qPS5bmTDQeMEN7j3nB1

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