{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858263,-0.513210,0.000000,0.000000,0.262854,-0.439582,0.858881,0.000000,-0.440007,0.735841,0.514716,0.000000,-2808914.349741,4697462.634318,3263844.794785,1],    "boundingVolume": {    "region": [2.109635,0.540613,2.109800,0.540738,0.000000,60.631233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_419558.b3dm"}}}