{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943988,-0.329979,0.000000,0.000000,0.184201,-0.526954,0.829692,0.000000,-0.273206,0.781575,0.560802,0.000000,-1744383.027833,4990246.718460,3556675.819220,1],    "boundingVolume": {    "region": [1.907030,0.595297,1.907126,0.595412,0.000000,8.676681]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_1275789.b3dm"}}}