{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950836,-0.309695,0.000000,0.000000,0.173188,-0.531729,0.829018,0.000000,-0.256201,0.786598,0.561804,0.000000,-1635814.511187,5022339.806585,3563044.415613,1],    "boundingVolume": {    "region": [1.885586,0.596481,1.885751,0.596650,0.000000,8.767975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1386438.b3dm"}}}