{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950065,-0.312051,0.000000,0.000000,0.174590,-0.531555,0.828835,0.000000,-0.258093,0.785786,0.562075,0.000000,-1647897.510897,5017159.721813,3564762.452684,1],    "boundingVolume": {    "region": [1.888078,0.596788,1.888217,0.596997,0.000000,8.797404]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/5_1400650.b3dm"}}}