{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949105,-0.314959,0.000000,0.000000,0.116094,-0.349840,0.929588,0.000000,-0.292514,0.881467,0.370744,0.000000,-1866551.522449,5624708.113591,2349906.325389,1],    "boundingVolume": {    "region": [1.891156,0.379752,1.891264,0.379867,0.000000,86.206870]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_76523.b3dm"}}}