{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949554,-0.313603,0.000000,0.000000,0.174974,-0.529800,0.829877,0.000000,-0.259706,0.786359,0.560528,0.000000,-1658185.831897,5020790.551711,3554932.192651,1],    "boundingVolume": {    "region": [1.889701,0.594891,1.889863,0.595156,0.000000,8.260798]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1371321.b3dm"}}}