{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896326,-0.443396,0.000000,0.000000,0.283724,-0.573549,0.768467,0.000000,-0.339796,0.686898,0.642425,0.000000,-2170264.378511,4387193.118811,4075680.278444,1],    "boundingVolume": {    "region": [2.030114,0.697599,2.030247,0.697718,0.000000,47.558802]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_540012.b3dm"}}}