meta/stats.json

{
    "action.mean": [
        0.0,
        0.0
    ],
    "action.std": [
        1.0,
        1.0
    ],
    "observation.state.mean": [
        0.0,
        0.0
    ],
    "observation.state.std": [
        1.0,
        1.0
    ]
}