Transaction not yet indexed

5Sm539PuUQGnCLDh1BB8WsYqryPha1L9eb7rWQjdNGCSciHu5tA7aPYijACKUUfjPE13Kc5nNLSz5uefDC3hv4uJ

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