{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948727,-0.316096,0.000000,0.000000,0.176409,-0.529473,0.829782,0.000000,-0.261740,0.785584,0.560669,0.000000,-1671171.170127,5015844.327259,3555827.695671,1],    "boundingVolume": {    "region": [1.892360,0.595082,1.892455,0.595305,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1073740.b3dm"}}}