{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950885,-0.309545,0.000000,0.000000,0.172958,-0.531306,0.829337,0.000000,-0.256177,0.786945,0.561330,0.000000,-1635655.953098,5024542.110214,3560031.262572,1],    "boundingVolume": {    "region": [1.885438,0.595883,1.885583,0.596102,0.000000,8.797125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1339677.b3dm"}}}