{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949097,-0.314984,0.000000,0.000000,0.175982,-0.530262,0.829369,0.000000,-0.260688,0.785495,0.561284,0.000000,-1664461.018052,5015286.550062,3559733.282568,1],    "boundingVolume": {    "region": [1.891167,0.595883,1.891305,0.595989,0.000000,13.459489]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1374400.b3dm"}}}