Transaction not yet indexed

3b21d2fHF5qKHLjS4yEYthsg5n8fDvdAAJsuhSsm3z2xMLqgxCrFwvHfy1F6C1w3V52mNEd2PNEa2UhYbs5VqprN

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