{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897703,-0.440600,0.000000,0.000000,0.282922,-0.576442,0.766596,0.000000,-0.336824,0.686265,0.644662,0.000000,-2151306.972661,4383193.741930,4089912.999273,1],    "boundingVolume": {    "region": [2.027000,0.700547,2.027127,0.700616,0.000000,16.562030]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/7_857906.b3dm"}}}