{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897919,-0.440160,0.000000,0.000000,0.282572,-0.576443,0.766724,0.000000,-0.336545,0.686546,0.644509,0.000000,-2149520.716108,4384985.166425,4088938.360526,1],    "boundingVolume": {    "region": [2.026510,0.700347,2.026637,0.700416,0.000000,15.625746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_852616.b3dm"}}}