{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949236,-0.314566,0.000000,0.000000,0.175917,-0.530849,0.829007,0.000000,-0.260227,0.785264,0.561820,0.000000,-1661521.481802,5013821.464697,3563145.741438,1],    "boundingVolume": {    "region": [1.890745,0.596574,1.890846,0.596596,0.000000,10.748309]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/8_1418323.b3dm"}}}