Transaction not yet indexed

a4u2TRQE6DGqu36n4VBSk46doHcF4xHNUfHdDPdNHGJiQuPB9tJS8pYeUEJENyAgprHbQ772ELYSwg1MEJRwRXK

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