{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896328,-0.443392,0.000000,0.000000,0.287991,-0.582180,0.760347,0.000000,-0.336175,0.679584,0.652037,0.000000,-2147225.206190,4340663.946125,4136829.293121,1],    "boundingVolume": {    "region": [2.030087,0.710215,2.030266,0.710320,0.000000,9.620401]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/15_1783746.b3dm"}}}