Transaction not yet indexed

21k5e43Lh9hdw1781yNQA7xeLdQXfeXYh7XFWYnkNbWxFpbTgGm754UpNXf5tdyqFEL8UaoocAkLuzGuSyooKmq8

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