Transaction not yet indexed

21e6sMipgZTXgeWqB8C5MsZJedC2S9BZqBpVMwDtRDQbE4x4tYaDM5uhF6EQ5PPRuCibw2i9QsKdXnAXKfLt8htz

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