Transaction not yet indexed

21tN7cSsNB8W9mz4Z2B3udpJmGAHGjKNNftEyhEreSSSBfiy33L8UEqCegzHcSeFuCTdFZ2eZUqhdsHSCus58pBM

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