{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948994,-0.315293,0.000000,0.000000,0.175973,-0.529657,0.829757,0.000000,-0.261067,0.785781,0.560706,0.000000,-1666877.618546,5017104.254929,3556063.915940,1],    "boundingVolume": {    "region": [1.891514,0.595143,1.891609,0.595334,0.000000,8.615729]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/30_1073354.b3dm"}}}