{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944302,-0.329081,0.000000,0.000000,0.183938,-0.527810,0.829206,0.000000,-0.272302,0.781372,0.561524,0.000000,-1738614.045798,4988965.222626,3561264.442124,1],    "boundingVolume": {    "region": [1.906070,0.596190,1.906184,0.596264,0.000000,8.760794]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_851534.b3dm"}}}