{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948820,-0.315819,0.000000,0.000000,0.176299,-0.529658,0.829687,0.000000,-0.261480,0.785570,0.560810,0.000000,-1669516.246523,5015756.607591,3556722.684043,1],    "boundingVolume": {    "region": [1.892068,0.595252,1.892164,0.595475,0.000000,8.764068]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1180193.b3dm"}}}