{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852949,-0.521994,0.000000,0.000000,0.269318,-0.440071,0.856624,0.000000,-0.446350,0.729345,0.518485,0.000000,-2849447.924941,4656055.318200,3287791.946917,1],    "boundingVolume": {    "region": [2.119937,0.545037,2.120030,0.545121,0.000000,100.381366]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_4382.b3dm"}}}