{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943302,-0.331935,0.000000,0.000000,0.186312,-0.529466,0.827619,0.000000,-0.274132,0.779037,0.563873,0.000000,-1750317.212889,4974101.783123,3576190.756461,1],    "boundingVolume": {    "region": [1.909078,0.599019,1.909223,0.599117,0.000000,8.705434]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_657898.b3dm"}}}