{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897913,-0.440172,0.000000,0.000000,0.282574,-0.576426,0.766737,0.000000,-0.336560,0.686553,0.644495,0.000000,-2149614.161256,4385026.850785,4088845.160578,1],    "boundingVolume": {    "region": [2.026523,0.700328,2.026650,0.700397,0.000000,33.682253]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_852354.b3dm"}}}