{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949638,-0.313348,0.000000,0.000000,0.174872,-0.529971,0.829789,0.000000,-0.259467,0.786345,0.560658,0.000000,-1656658.752596,5020704.475521,3555760.057316,1],    "boundingVolume": {    "region": [1.889432,0.595048,1.889594,0.595313,0.000000,8.815812]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1369692.b3dm"}}}