{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949044,-0.315143,0.000000,0.000000,0.175782,-0.529362,0.829986,0.000000,-0.261016,0.786041,0.560365,0.000000,-1666549.379844,5018757.618771,3553898.641988,1],    "boundingVolume": {    "region": [1.891357,0.594732,1.891451,0.594922,0.000000,15.708664]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/27_1382330.b3dm"}}}