Transaction not yet indexed

21UCUNh5XLebwCECkF1BqHaC4kKkctYcErmLJujrr5WVGiamd5NzzAXP2Fc4jodCK7z2CVNccG2A7fsdsuvdAHm2

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