{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899688,-0.436534,0.000000,0.000000,0.282705,-0.582650,0.761969,0.000000,-0.331686,0.683598,0.650136,0.000000,-2118540.299261,4366265.807696,4124739.894840,1],    "boundingVolume": {    "region": [2.022452,0.707709,2.022626,0.707819,0.000000,9.679242]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/21_1791194.b3dm"}}}