{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943287,-0.331979,0.000000,0.000000,0.186326,-0.529426,0.827642,0.000000,-0.274176,0.779046,0.563840,0.000000,-1750597.247069,4974155.267825,3575980.704125,1],    "boundingVolume": {    "region": [1.909125,0.598979,1.909269,0.599077,0.000000,7.652701]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_544534.b3dm"}}}