{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950693,-0.310134,0.000000,0.000000,0.173154,-0.530790,0.829627,0.000000,-0.256755,0.787063,0.560900,0.000000,-1639344.648719,5025288.093060,3557298.998999,1],    "boundingVolume": {    "region": [1.886073,0.595416,1.886188,0.595530,0.000000,8.800902]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/10_1451399.b3dm"}}}