Transaction not yet indexed

641MS6tJnqY8oC5kAXdhrv9njtQMiunuAekV4AxCPkeLZa3AkL7goNeUVMzhAMLU4deJ6mYnRZsrAHNQwWi6PGZL

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