{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948743,-0.316048,0.000000,0.000000,0.176375,-0.529460,0.829798,0.000000,-0.261705,0.785612,0.560646,0.000000,-1670950.906177,5016022.651936,3555680.647722,1],    "boundingVolume": {    "region": [1.892309,0.595054,1.892405,0.595277,0.000000,8.818771]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1179061.b3dm"}}}