{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943343,-0.331818,0.000000,0.000000,0.185844,-0.528347,0.828439,0.000000,-0.274310,0.779850,0.562662,0.000000,-1751441.954535,4979269.306668,3568492.421135,1],    "boundingVolume": {    "region": [1.908964,0.597562,1.909089,0.597642,0.000000,8.759797]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/7_1286498.b3dm"}}}