{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895648,-0.444764,0.000000,0.000000,0.284229,-0.572369,0.769160,0.000000,-0.341154,0.687002,0.641593,0.000000,-2178929.220829,4387845.442140,4070387.093499,1],    "boundingVolume": {    "region": [2.031646,0.696515,2.031767,0.696633,0.000000,52.620398]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/1_686918.b3dm"}}}