{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949784,-0.312908,0.000000,0.000000,0.174538,-0.529783,0.829980,0.000000,-0.259162,0.786648,0.560375,0.000000,-1654712.452792,5022630.007898,3553958.645919,1],    "boundingVolume": {    "region": [1.888968,0.594706,1.889130,0.594971,0.000000,8.742422]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/4/12_1376171.b3dm"}}}