{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951292,-0.308292,0.000000,0.000000,0.113882,-0.351404,0.929272,0.000000,-0.286223,0.883194,0.371543,0.000000,-1826411.703882,5635739.629474,2354976.441045,1],    "boundingVolume": {    "region": [1.884115,0.380623,1.884271,0.380717,0.000000,5.243603]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/12_42746.b3dm"}}}