{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943328,-0.331861,0.000000,0.000000,0.185863,-0.528322,0.828451,0.000000,-0.274349,0.779849,0.562644,0.000000,-1751694.350095,4979261.335383,3568380.410428,1],    "boundingVolume": {    "region": [1.909010,0.597541,1.909135,0.597620,0.000000,8.649866]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/7_1286480.b3dm"}}}