Transaction not yet indexed

668vY5RyYKviBQKjsuTUw3zfTWwNnEGxGmhXxcgbnxkEneivaH9T7ULTzBJ3Uipw7EfmGoAmpH7HgjYj3QdHMx59

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