{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949318,-0.314317,0.000000,0.000000,0.175714,-0.530701,0.829145,0.000000,-0.260065,0.785464,0.561616,0.000000,-1660483.913086,5015093.428192,3561847.876033,1],    "boundingVolume": {    "region": [1.890484,0.596297,1.890583,0.596379,0.000000,8.145533]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1338329.b3dm"}}}