{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949211,-0.314639,0.000000,0.000000,0.175532,-0.529551,0.829918,0.000000,-0.260577,0.786115,0.560467,0.000000,-1663743.837308,5019228.598879,3554543.605932,1],    "boundingVolume": {    "region": [1.890825,0.594854,1.890920,0.595045,0.000000,8.937051]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/28_1372143.b3dm"}}}