{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949657,-0.313291,0.000000,0.000000,0.174839,-0.529976,0.829793,0.000000,-0.259421,0.786365,0.560652,0.000000,-1656367.971177,5020826.907292,3555722.898412,1],    "boundingVolume": {    "region": [1.889372,0.595041,1.889534,0.595306,0.000000,8.721308]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1356941.b3dm"}}}