{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948719,-0.316120,0.000000,0.000000,0.176490,-0.529669,0.829639,0.000000,-0.261715,0.785441,0.560881,0.000000,-1671014.156948,5014933.889183,3557176.284935,1],    "boundingVolume": {    "region": [1.892386,0.595338,1.892482,0.595561,0.000000,8.765963]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1071950.b3dm"}}}