{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897905,-0.440188,0.000000,0.000000,0.282591,-0.576434,0.766724,0.000000,-0.336566,0.686535,0.644509,0.000000,-2149657.938953,4384916.509634,4088939.838455,1],    "boundingVolume": {    "region": [2.026541,0.700347,2.026668,0.700416,0.000000,15.625746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_852618.b3dm"}}}