{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948746,-0.316038,0.000000,0.000000,0.176368,-0.529456,0.829801,0.000000,-0.261698,0.785618,0.560641,0.000000,-1670907.193774,5016061.157484,3555647.095313,1],    "boundingVolume": {    "region": [1.892299,0.595048,1.892395,0.595271,0.000000,8.812225]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1074264.b3dm"}}}