{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943293,-0.331962,0.000000,0.000000,0.186209,-0.529126,0.827860,0.000000,-0.274235,0.779258,0.563518,0.000000,-1750973.133807,4975503.026159,3573934.897069,1],    "boundingVolume": {    "region": [1.909107,0.598589,1.909252,0.598687,0.000000,8.336706]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_657593.b3dm"}}}