{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943163,-0.332331,0.000000,0.000000,0.186168,-0.528347,0.828367,0.000000,-0.274710,0.779632,0.562769,0.000000,-1753997.479272,4977878.065858,3569173.566288,1],    "boundingVolume": {    "region": [1.909508,0.597692,1.909633,0.597771,0.000000,8.288669]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1255029.b3dm"}}}