{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950847,-0.309661,0.000000,0.000000,0.173270,-0.532043,0.828799,0.000000,-0.256105,0.786398,0.562129,0.000000,-1635204.394097,5021066.969073,3565103.911334,1],    "boundingVolume": {    "region": [1.885550,0.596873,1.885716,0.597042,0.000000,8.758258]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4_1323555.b3dm"}}}