Transaction not yet indexed

Mc6wJFQZtpdkejB8VGvsTAyE7FyomoAa9kLDHD7R8jbpa9yxPuSeh1JGQG9Fhvd5tunA6zRN7PH5M7uCuuwaUMe

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