{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950574,-0.310497,0.000000,0.000000,0.173648,-0.531615,0.828995,0.000000,-0.256858,0.786359,0.561839,0.000000,-1640009.065562,5020815.923267,3563262.411769,1],    "boundingVolume": {    "region": [1.886464,0.596558,1.886561,0.596656,0.000000,14.679444]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1392600.b3dm"}}}