Transaction not yet indexed

Y977Hv9qPEUwSBGq655rvmMGLAHDVnrLWRJfeHgvQ2TR4MDFa5TZ1E8EjffjWPyvdkAozd4j6NaJKWoHmyeC3Ms

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