Transaction not yet indexed

5Kb4nsd1fp3DCm4jstc4ZkoADouMByR5xXvEmHxcWB7XsMz8ydvaJCDm2d7L4dYn5TbZN3KPQUyEcsvz19PkMA21

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