{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949312,-0.314335,0.000000,0.000000,0.175809,-0.530953,0.828964,0.000000,-0.260023,0.785286,0.561885,0.000000,-1660218.113467,5013960.631443,3563554.664992,1],    "boundingVolume": {    "region": [1.890502,0.596652,1.890603,0.596673,0.000000,8.423663]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/12_1421419.b3dm"}}}