Transaction not yet indexed

SSmmpUSMMJ6paK5M8sPTi3U1K4znF7UvGd7PCHWfiZv3nSHqyrkbJaFgqNXcmDFdu1rTcdYYT3YxNbLfJQBnWWL

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