{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943111,-0.332478,0.000000,0.000000,0.186300,-0.528461,0.828264,0.000000,-0.274796,0.779491,0.562921,0.000000,-1754551.562940,4976985.236785,3570139.692284,1],    "boundingVolume": {    "region": [1.909663,0.597876,1.909788,0.597955,0.000000,8.743779]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1249304.b3dm"}}}