{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897877,-0.440247,0.000000,0.000000,0.282633,-0.576425,0.766716,0.000000,-0.336607,0.686506,0.644520,0.000000,-2149919.123994,4384727.178742,4089005.109355,1],    "boundingVolume": {    "region": [2.026607,0.700361,2.026733,0.700429,0.000000,19.030441]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_852724.b3dm"}}}