{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949180,-0.314735,0.000000,0.000000,0.115655,-0.348793,0.930036,0.000000,-0.292448,0.881967,0.369607,0.000000,-1866124.677071,5627877.338974,2342694.837807,1],    "boundingVolume": {    "region": [1.890921,0.378551,1.891026,0.378621,0.000000,52.553820]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/2/16_9862.b3dm"}}}