{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949738,-0.313047,0.000000,0.000000,0.174955,-0.530786,0.829251,0.000000,-0.259048,0.785913,0.561458,0.000000,-1653990.275120,5017955.971925,3560844.201101,1],    "boundingVolume": {    "region": [1.889120,0.596063,1.889273,0.596231,0.000000,11.448053]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1434836.b3dm"}}}