Transaction not yet indexed

4a21b5PaWuicdfotfKzG5537aZVYnMh8ZUmQD5Zyb8gz9HPz7s6fbRMzddC75vafjDv2ABKTPLpUPmpEAvgq6oMg

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