Transaction not yet indexed

MkE8fuMULBfr3sL2FP9GDnRsMc3fVZfyRD8e7VGXxvcXKAiwU3eZFV3BawKwt8oS4fffHDHwfGJLxS8x7PatK43

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