{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944005,-0.329932,0.000000,0.000000,0.184424,-0.527674,0.829185,0.000000,-0.272999,0.781106,0.561556,0.000000,-1743063.653476,4987267.151231,3561466.409579,1],    "boundingVolume": {    "region": [1.906980,0.596208,1.907076,0.596323,0.000000,8.548261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1268751.b3dm"}}}