{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950678,-0.310179,0.000000,0.000000,0.173544,-0.531900,0.828834,0.000000,-0.256544,0.786291,0.562077,0.000000,-1638008.831118,5020385.999814,3564777.689367,1],    "boundingVolume": {    "region": [1.886095,0.596811,1.886260,0.596980,0.000000,8.758891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1396547.b3dm"}}}