{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893935,-0.448197,0.000000,0.000000,0.288830,-0.576077,0.764665,0.000000,-0.341762,0.681649,0.646957,0.000000,-2182865.113070,4353756.720978,4104508.940746,1],    "boundingVolume": {    "region": [2.035461,0.703505,2.035626,0.703668,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1870979.b3dm"}}}