Transaction not yet indexed

5SiAJKMMNfiUSzAaCc29NMpf5d3Y7echP7oPDWzYfqX3Xi2FEEyGbqRbafSmpjNya74jP7tT4bvjoXzj4wV1s1Cu

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