Transaction not yet indexed

MDMnHYLXjo2pBE1FrbYaTe1Sb8K2VqEyfBN8LWbVgiw2QGwEoXPSgvGPXHrqXGZt5CiYkG5Y8GtDPzqFdE5zHVm

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