Transaction not yet indexed

MKo66LUdxTR3rwPNCadZQknk1iJKP8qptwLPTrcWKQpUiWv2AnUjGpGdfbqTiEHa7tFmV948b8ubJU7E5FSiiPK

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