{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950255,-0.311472,0.000000,0.000000,0.173951,-0.530699,0.829518,0.000000,-0.257828,0.786597,0.561062,0.000000,-1646198.081929,5022315.036956,3558325.697900,1],    "boundingVolume": {    "region": [1.887488,0.595610,1.887587,0.595727,0.000000,8.820970]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1428393.b3dm"}}}