{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950380,-0.311092,0.000000,0.000000,0.173496,-0.530026,0.830043,0.000000,-0.257678,0.787202,0.560281,0.000000,-1645238.113582,5026166.434023,3553361.602752,1],    "boundingVolume": {    "region": [1.887089,0.594667,1.887188,0.594783,0.000000,8.787899]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/3_1459640.b3dm"}}}