{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949888,-0.312592,0.000000,0.000000,0.174634,-0.530668,0.829394,0.000000,-0.258716,0.786174,0.561246,0.000000,-1651870.052370,5019617.810029,3559494.979345,1],    "boundingVolume": {    "region": [1.888640,0.595806,1.888793,0.595975,0.000000,11.044075]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1351820.b3dm"}}}