{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898385,-0.439210,0.000000,0.000000,0.284319,-0.581562,0.762200,0.000000,-0.333821,0.682816,0.649866,0.000000,-2132171.731132,4361264.187035,4123018.721238,1],    "boundingVolume": {    "region": [2.025462,0.707372,2.025568,0.707444,0.000000,11.347699]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/7_1803139.b3dm"}}}