Transaction not yet indexed

21Z3PYQtWuwjQ6bKhrWEYm2F7hE6AmYpZBAKMBNSSqRkvTSHTxvL5UVDsFFdPfgkVgA5eEBJG7uBA765ZZFA4499

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