{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943340,-0.331826,0.000000,0.000000,0.186069,-0.528970,0.827991,0.000000,-0.274167,0.779422,0.563324,0.000000,-1750534.039759,4976547.094978,3572704.407095,1],    "boundingVolume": {    "region": [1.908963,0.598355,1.909108,0.598453,0.000000,8.747913]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_568616.b3dm"}}}