ETABS

{
  "metadata": {
    "structure_flexible_period": 0.1,
    "footing_width": 0.9,
    "footing_length": 1.5,
    "end_length_ratio": 0.0,
    "elasticity_modulus": 999.0,
    "unit_weight": 19.6359,
    "shear_modulus_reduction_factor": 1.0,
    "soil_damping_ratio": 0.5,
    "pile_elasticity_modulus": 999.0,
    "pile_unit_weight": null
  },
  "data": [
    {
      "depth": 0.0,
      "shear_velocity": 300.0
    },
    {
      "depth": 100.0,
      "shear_velocity": 300.0
    }
  ],
  "node_data": [
    {
      "node_id": 1,
      "pile_count": 0,
      "coordinate_x": 0.75,
      "coordinate_y": 0.45
    }
  ]
}