{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852940,-0.522009,0.000000,0.000000,0.269390,-0.440172,0.856550,0.000000,-0.446324,0.729274,0.518609,0.000000,-2849278.765235,4655601.817719,3288575.375368,1],    "boundingVolume": {    "region": [2.119954,0.545181,2.120047,0.545265,0.000000,93.281900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_5566.b3dm"}}}