{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950544,-0.310591,0.000000,0.000000,0.173256,-0.530237,0.829958,0.000000,-0.257237,0.787257,0.560407,0.000000,-1642419.324149,5026518.204660,3554162.529956,1],    "boundingVolume": {    "region": [1.886520,0.594804,1.886702,0.594950,0.000000,8.807606]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1449061.b3dm"}}}