{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858162,-0.513379,0.000000,0.000000,0.262691,-0.439112,0.859171,0.000000,-0.440301,0.736006,0.514228,0.000000,-2810789.771033,4698505.041336,3260749.182442,1],    "boundingVolume": {    "region": [2.109832,0.540045,2.109996,0.540170,0.000000,108.761311]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_130421.b3dm"}}}