{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950447,-0.310888,0.000000,0.000000,0.173605,-0.530745,0.829561,0.000000,-0.257358,0.786796,0.560998,0.000000,-1643197.271353,5023586.761731,3557920.241956,1],    "boundingVolume": {    "region": [1.886873,0.595533,1.886973,0.595650,0.000000,8.770798]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/11_1451860.b3dm"}}}