{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949485,-0.313813,0.000000,0.000000,0.175242,-0.530219,0.829553,0.000000,-0.259777,0.785992,0.561010,0.000000,-1658642.925967,5018453.753229,3557996.568818,1],    "boundingVolume": {    "region": [1.889922,0.595473,1.890084,0.595739,0.000000,8.818167]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/15_1366640.b3dm"}}}