Transaction not yet indexed

MhdvDGPYVZzRgaA5guV9DvtYKgBYQPqLqTFAa8ZXdpfSCDYfYYq6XzCuYyb6HyoaJSr7HNbNE8pdcj5zH6ABgk8

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