{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949603,-0.313454,0.000000,0.000000,0.174934,-0.529958,0.829785,0.000000,-0.259554,0.786312,0.560665,0.000000,-1657212.820902,5020489.475388,3555805.136876,1],    "boundingVolume": {    "region": [1.889544,0.595056,1.889706,0.595322,0.000000,8.657353]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1369543.b3dm"}}}