{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948845,-0.315743,0.000000,0.000000,0.176381,-0.530045,0.829422,0.000000,-0.261334,0.785338,0.561204,0.000000,-1668581.552059,5014279.544212,3559226.220323,1],    "boundingVolume": {    "region": [1.891967,0.595786,1.892105,0.595893,0.000000,8.044616]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/7_1069406.b3dm"}}}