{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950888,-0.309534,0.000000,0.000000,0.173185,-0.532023,0.828829,0.000000,-0.256010,0.786461,0.562084,0.000000,-1634594.539830,5021469.117403,3564819.083335,1],    "boundingVolume": {    "region": [1.885417,0.596818,1.885582,0.596988,0.000000,8.691446]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1387911.b3dm"}}}