{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949540,-0.313647,0.000000,0.000000,0.175047,-0.529940,0.829772,0.000000,-0.259709,0.786247,0.560684,0.000000,-1658208.036440,5020077.396013,3555922.174913,1],    "boundingVolume": {    "region": [1.889747,0.595079,1.889909,0.595344,0.000000,8.804776]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1369221.b3dm"}}}