{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943965,-0.330046,0.000000,0.000000,0.184222,-0.526893,0.829727,0.000000,-0.273273,0.781588,0.560751,0.000000,-1744809.912014,4990330.189159,3556351.482091,1],    "boundingVolume": {    "region": [1.907118,0.595237,1.907180,0.595349,0.000000,8.524003]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3.b3dm"}}}