{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950254,-0.311477,0.000000,0.000000,0.173903,-0.530542,0.829629,0.000000,-0.257867,0.786701,0.560897,0.000000,-1646448.016415,5022979.382428,3557279.222247,1],    "boundingVolume": {    "region": [1.887494,0.595411,1.887593,0.595528,0.000000,8.799516]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_1455208.b3dm"}}}