Transaction not yet indexed

21apr3KnvX3a44tBisdCbeaAzTBCE3FKaST2y1CE1RGop431dmKFPDKwAVkNz8HS5Kkvvi5EZG8iQvu9cCaPEEqC

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