{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949123,-0.314906,0.000000,0.000000,0.175886,-0.530118,0.829481,0.000000,-0.260659,0.785624,0.561116,0.000000,-1664273.695054,5016108.530234,3558669.696487,1],    "boundingVolume": {    "region": [1.891085,0.595680,1.891222,0.595787,0.000000,8.797547]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1364913.b3dm"}}}