{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896857,-0.442321,0.000000,0.000000,0.282332,-0.572461,0.769790,0.000000,-0.339560,0.688497,0.640836,0.000000,-2168742.893710,4397379.829719,4065567.662551,1],    "boundingVolume": {    "region": [2.028890,0.695530,2.029072,0.695643,0.000000,45.106405]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_457431.b3dm"}}}