Transaction not yet indexed

mdK12XKuWgkJSjDRUnkfXPEV4fWWWKmrbDFf7LyjUhQEWb3eKRDMvgqRmoXwz5x483eJqu67KshBKdAZ8ioeVA4

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