{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943076,-0.332577,0.000000,0.000000,0.186379,-0.528509,0.828215,0.000000,-0.274862,0.779417,0.562992,0.000000,-1754970.165308,4976509.064823,3570594.629664,1],    "boundingVolume": {    "region": [1.909768,0.597962,1.909893,0.598042,0.000000,8.815879]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1284872.b3dm"}}}