{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942685,-0.333683,0.000000,0.000000,0.186999,-0.528289,0.828216,0.000000,-0.275777,0.779094,0.562991,0.000000,-1760812.166009,4974451.666448,3570585.433730,1],    "boundingVolume": {    "region": [1.910942,0.597969,1.911067,0.598032,0.000000,8.482968]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/21_1250197.b3dm"}}}