Transaction not yet indexed

21HNUboyV1t6XMdR5QqR3tAp1SkS4mAp1tFpSRtZRwtX2jp4eE1uTYWLwkaWSCn3bk2toUVhrUeKAJaGZLTSK8ay

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