Transaction not yet indexed

21Me68CZEh3LjayJBzEZKoCi37MoMrtE893RZnZK4ZnA44TwvmeKy3AGATF4tVYDWnbSh1CVKsdXnECKjWWKkZBA

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