{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950478,-0.310792,0.000000,0.000000,0.173976,-0.532063,0.828638,0.000000,-0.256990,0.785939,0.562367,0.000000,-1640854.888509,5018139.253074,3566619.358694,1],    "boundingVolume": {    "region": [1.886773,0.597196,1.886871,0.597295,0.000000,8.770117]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1325097.b3dm"}}}