{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944543,-0.328388,0.000000,0.000000,0.183607,-0.528110,0.829089,0.000000,-0.271689,0.781460,0.561699,0.000000,-1734703.947701,4989530.152894,3562372.118059,1],    "boundingVolume": {    "region": [1.905336,0.596400,1.905450,0.596475,0.000000,7.851788]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/7_131210.b3dm"}}}