{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897703,-0.440602,0.000000,0.000000,0.282919,-0.576433,0.766604,0.000000,-0.336829,0.686272,0.644653,0.000000,-2151338.312567,4383237.070612,4089850.499065,1],    "boundingVolume": {    "region": [2.027002,0.700534,2.027129,0.700603,0.000000,7.013827]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/7_857649.b3dm"}}}