{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893971,-0.448125,0.000000,0.000000,0.288749,-0.576031,0.764730,0.000000,-0.341736,0.681735,0.646880,0.000000,-2182698.998833,4354302.918891,4104021.136520,1],    "boundingVolume": {    "region": [2.035380,0.703405,2.035545,0.703567,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1991634.b3dm"}}}