{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949112,-0.314938,0.000000,0.000000,0.115710,-0.348710,0.930061,0.000000,-0.292645,0.881927,0.369545,0.000000,-1867382.647170,5627624.847845,2342301.601675,1],    "boundingVolume": {    "region": [1.891136,0.378484,1.891241,0.378554,0.000000,72.987560]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/4/15_9522.b3dm"}}}