{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949061,-0.315093,0.000000,0.000000,0.176045,-0.530250,0.829363,0.000000,-0.260776,0.785460,0.561292,0.000000,-1665024.170982,5015062.257304,3559785.563729,1],    "boundingVolume": {    "region": [1.891282,0.595893,1.891419,0.595999,0.000000,13.459489]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1374305.b3dm"}}}