Transaction not yet indexed

53SrRH8RwWS9zTeCbHQMtpfKFrBdXqmDoDSWsdAEZ6zfBnP5WLxYtec6YNmdpz5uYidt4DLPiVnAQETaQM8hBGm4

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