Transaction not yet indexed

661WM6bZBUnVBVHEjtWGCSGDSBK449TSQbx3BziHQdS5dDZysWVvLe8oM2MUr8W6RxL31uPj6eKvhAVTyQjmT67Z

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