{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943367,-0.331751,0.000000,0.000000,0.185943,-0.528747,0.828162,0.000000,-0.274161,0.779606,0.563072,0.000000,-1750497.182344,4977719.227759,3571100.018466,1],    "boundingVolume": {    "region": [1.908883,0.598050,1.909027,0.598147,0.000000,8.140465]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/2_1284951.b3dm"}}}