{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897897,-0.440205,0.000000,0.000000,0.282604,-0.576435,0.766719,0.000000,-0.336576,0.686524,0.644516,0.000000,-2149721.373893,4384844.845029,4088983.048582,1],    "boundingVolume": {    "region": [2.026560,0.700356,2.026686,0.700425,0.000000,15.942125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_852673.b3dm"}}}