Transaction not yet indexed

mkf2Z4ECgCXGAkNeLrfcESRWZ9iZFnkgL4XPcteLVr45FzXaM4kVkKDJvTkw2fis6XZzjcgMggFhsC12YGRdFB7

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