{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949481,-0.313824,0.000000,0.000000,0.175447,-0.530818,0.829126,0.000000,-0.259651,0.785581,0.561644,0.000000,-1657843.531118,5015842.524797,3562021.820898,1],    "boundingVolume": {    "region": [1.889965,0.596330,1.890063,0.596412,0.000000,16.490579]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1409517.b3dm"}}}