{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950891,-0.309527,0.000000,0.000000,0.172949,-0.531314,0.829334,0.000000,-0.256161,0.786946,0.561336,0.000000,-1635555.110140,5024551.027988,3560064.781031,1],    "boundingVolume": {    "region": [1.885419,0.595889,1.885565,0.596109,0.000000,8.797125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1339660.b3dm"}}}