{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944131,-0.329569,0.000000,0.000000,0.184141,-0.527515,0.829349,0.000000,-0.272753,0.781367,0.561313,0.000000,-1741491.932439,4988928.100467,3559919.106402,1],    "boundingVolume": {    "region": [1.906596,0.595914,1.906691,0.596029,0.000000,8.804551]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_1297025.b3dm"}}}