Transaction not yet indexed

21uC6ErvquE3ECzDPsR6LTaxEyevVFeX2EqwdjtUhbjJKQTdR4gTpr1nGpdwwkn46vfKHabyYuKGr4udFsgHY5yE

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