Transaction not yet indexed

28MExRGCSjp3hu1UdCN27FHJRfTDBFdy1Jm4xjmDqgSdUJDVzEMVEDqk1CYadoTH991gcyqRsx82zCUrZbQbPoKK

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