{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950309,-0.311307,0.000000,0.000000,0.173253,-0.528881,0.830824,0.000000,-0.258101,0.787891,0.559116,0.000000,-1647929.642048,5030545.489670,3545959.711252,1],    "boundingVolume": {    "region": [1.887279,0.593220,1.887450,0.593419,0.000000,8.390493]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/12_1321298.b3dm"}}}