{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949343,-0.314243,0.000000,0.000000,0.175347,-0.529730,0.829843,0.000000,-0.260225,0.786152,0.560579,0.000000,-1661498.987245,5019466.605039,3555252.687233,1],    "boundingVolume": {    "region": [1.890374,0.594951,1.890536,0.595217,0.000000,10.265112]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1370123.b3dm"}}}