Transaction not yet indexed

21Y4ziZdFcjuHt2cYrV64FqaPMUv4HWfEx8aQWomtJyp2TLo9AS2eYHwhSTeDWvRGveVUp6gcsbnVEGdevN2keYk

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