Transaction not yet indexed

21ud6TJCngEnBc2tFVvAVZf2XMF3FDrgLNbxoN54RgDdsPsZkjUfqc8kCShHKGtre3i4sSTihkxM4MNXZ29SFrEj

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