{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949104,-0.314963,0.000000,0.000000,0.175993,-0.530333,0.829321,0.000000,-0.260656,0.785455,0.561354,0.000000,-1664254.876537,5015032.977153,3560183.847312,1],    "boundingVolume": {    "region": [1.891146,0.595968,1.891283,0.596075,0.000000,11.710358]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1360368.b3dm"}}}