{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949736,-0.313052,0.000000,0.000000,0.174988,-0.530878,0.829185,0.000000,-0.259031,0.785848,0.561557,0.000000,-1653884.125291,5017543.810679,3561470.027773,1],    "boundingVolume": {    "region": [1.889125,0.596182,1.889278,0.596350,0.000000,18.428142]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/5_1439561.b3dm"}}}