{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948892,-0.315602,0.000000,0.000000,0.176356,-0.530234,0.829307,0.000000,-0.261180,0.785266,0.561375,0.000000,-1667602.143818,5013828.783326,3560312.755640,1],    "boundingVolume": {    "region": [1.891819,0.595993,1.891956,0.596099,0.000000,8.808038]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1068447.b3dm"}}}