{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950306,-0.311318,0.000000,0.000000,0.173836,-0.530637,0.829581,0.000000,-0.257721,0.786699,0.560967,0.000000,-1645514.471218,5022967.783806,3557724.529354,1],    "boundingVolume": {    "region": [1.887326,0.595496,1.887426,0.595612,0.000000,8.811251]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1455821.b3dm"}}}