Transaction not yet indexed

LKkZ6cDMWoMnECn6euFuty7TfrmuEtDVLuwHGUXuNSKdJhGdWBmNMVUwzQGmUkSRdGGLkTTVQCX9heQSgoACTAM

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