Transaction not yet indexed

21n7houSr7gEvkpEaLiK6bbhqmwK6TqAwrLCwwPkdjSRwvndwnsEaPyktkCWVnhwd6ZuTu4ceW8RiNSQ1qGdBpQ2

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