{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948856,-0.315710,0.000000,0.000000,0.176509,-0.530490,0.829111,0.000000,-0.261207,0.785049,0.561666,0.000000,-1667777.810051,5012444.581951,3562166.531886,1],    "boundingVolume": {    "region": [1.891933,0.596345,1.892070,0.596452,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1112773.b3dm"}}}