Transaction not yet indexed

MKEFeYXA8m3G4neMPjYgpfhvXQ2F8VpuYrTGr9VFG4V2z26j9dQ8cQWFbMXsGPpP4wmcm7fP21X3CFFSkvZk2kJ

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