Transaction not yet indexed

MkBrG6NyaboNuAhPkZcpZdXKBXR2LiFR3pSXWsydV8AptCvM5PXCX8W9P4gefTrPRd2ynYEcFdFpZj1zcTF666C

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