{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898219,-0.439547,0.000000,0.000000,0.284381,-0.581136,0.762501,0.000000,-0.334211,0.682963,0.649511,0.000000,-2134657.826874,4362194.568838,4120762.651072,1],    "boundingVolume": {    "region": [2.025841,0.706904,2.025941,0.706979,0.000000,16.531448]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1803543.b3dm"}}}