{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944027,-0.329868,0.000000,0.000000,0.184131,-0.526952,0.829709,0.000000,-0.273120,0.781623,0.560778,0.000000,-1743832.908642,4990551.529534,3556518.955338,1],    "boundingVolume": {    "region": [1.906913,0.595267,1.907008,0.595382,0.000000,8.572479]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/3_1267730.b3dm"}}}