Transaction not yet indexed

263jkgcNkhDuK18oUUaF7TQWXEGrDHKLCqqj8DFZmcbEVMaa6pcMvwvb3NBkBpuXDVx7KXGLbzzY3pVpgdN2GFY3

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