{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893983,-0.448101,0.000000,0.000000,0.288806,-0.576181,0.764596,0.000000,-0.341658,0.681623,0.647039,0.000000,-2182200.168934,4353591.960779,4105033.709875,1],    "boundingVolume": {    "region": [2.035354,0.703613,2.035519,0.703776,0.000000,42.172503]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_1869828.b3dm"}}}