{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949116,-0.314927,0.000000,0.000000,0.175953,-0.530281,0.829363,0.000000,-0.260639,0.785505,0.561293,0.000000,-1664147.693109,5015349.310132,3559790.961308,1],    "boundingVolume": {    "region": [1.891107,0.595894,1.891245,0.596000,0.000000,17.644930]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1361480.b3dm"}}}