{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949006,-0.315258,0.000000,0.000000,0.116021,-0.349254,0.929818,0.000000,-0.292864,0.881596,0.370162,0.000000,-1868783.303139,5625517.824940,2346216.239762,1],    "boundingVolume": {    "region": [1.891470,0.379126,1.891579,0.379241,0.000000,48.571010]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/14_7940.b3dm"}}}