{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944263,-0.329191,0.000000,0.000000,0.183966,-0.527695,0.829273,0.000000,-0.272415,0.781404,0.561425,0.000000,-1739336.069676,4989166.228664,3560634.471044,1],    "boundingVolume": {    "region": [1.906186,0.596070,1.906301,0.596145,0.000000,8.811949]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_851500.b3dm"}}}