{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942970,-0.332878,0.000000,0.000000,0.186472,-0.528235,0.828369,0.000000,-0.275162,0.779475,0.562765,0.000000,-1756886.321070,4976876.353223,3569149.829253,1],    "boundingVolume": {    "region": [1.910087,0.597687,1.910213,0.597767,0.000000,8.729947]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1255048.b3dm"}}}