{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950590,-0.310448,0.000000,0.000000,0.173658,-0.531740,0.828912,0.000000,-0.256792,0.786294,0.561961,0.000000,-1639585.446840,5020398.077407,3564040.769199,1],    "boundingVolume": {    "region": [1.886412,0.596706,1.886510,0.596804,0.000000,8.813590]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_1395143.b3dm"}}}