{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950173,-0.311725,0.000000,0.000000,0.174075,-0.530599,0.829556,0.000000,-0.258049,0.786564,0.561006,0.000000,-1647609.954758,5022106.094329,3557969.522671,1],    "boundingVolume": {    "region": [1.887754,0.595542,1.887854,0.595659,0.000000,8.818384]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1427991.b3dm"}}}