Transaction not yet indexed

4tk21kEmVxSMmQBphVPx29NtHAqUyaivQwBMpXYzR9dExKAEbfbPRTCvBmLhEbPkzSDgqhg634GsGc6G7sEiXKMT

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