{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894762,-0.446544,0.000000,0.000000,0.284644,-0.570355,0.770502,0.000000,-0.343121,0.687529,0.639978,0.000000,-2191479.936439,4391178.657887,4060110.840748,1],    "boundingVolume": {    "region": [2.033628,0.694407,2.033762,0.694532,0.000000,49.828722]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1168388.b3dm"}}}