{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950756,-0.309941,0.000000,0.000000,0.173082,-0.530934,0.829549,0.000000,-0.256571,0.787041,0.561016,0.000000,-1638170.190432,5025149.905019,3558030.249573,1],    "boundingVolume": {    "region": [1.885869,0.595555,1.885985,0.595669,0.000000,8.812964]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/11_1421590.b3dm"}}}