Transaction not yet indexed

mmX66Q97grKQ7bFsyHKtiPLhiCiye3VFd9Z2khdqJ4KmD2eivNBppY1pvSNWjVqa8mLdtnoCbRaAhJKSV1tdFN4

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