{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943126,-0.332437,0.000000,0.000000,0.186276,-0.528468,0.828265,0.000000,-0.274763,0.779505,0.562919,0.000000,-1754337.593252,4977070.056677,3570126.684364,1],    "boundingVolume": {    "region": [1.909620,0.597873,1.909745,0.597953,0.000000,8.743779]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1249306.b3dm"}}}