{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944318,-0.329034,0.000000,0.000000,0.183957,-0.527950,0.829113,0.000000,-0.272232,0.781297,0.561663,0.000000,-1738168.068858,4988487.221009,3562145.690819,1],    "boundingVolume": {    "region": [1.906020,0.596357,1.906134,0.596432,0.000000,8.810633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_191978.b3dm"}}}