{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950464,-0.310834,0.000000,0.000000,0.173713,-0.531179,0.829261,0.000000,-0.257220,0.786523,0.561444,0.000000,-1642316.749310,5021852.970653,3560754.154506,1],    "boundingVolume": {    "region": [1.886818,0.596081,1.886916,0.596179,0.000000,8.780323]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/1_1342498.b3dm"}}}