{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950347,-0.311192,0.000000,0.000000,0.173864,-0.530962,0.829368,0.000000,-0.257550,0.786528,0.561285,0.000000,-1644421.640407,5021884.754526,3559744.533510,1],    "boundingVolume": {    "region": [1.887194,0.595880,1.887293,0.595996,0.000000,8.806721]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1342937.b3dm"}}}