{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944030,-0.329861,0.000000,0.000000,0.184388,-0.527701,0.829176,0.000000,-0.272937,0.781118,0.561570,0.000000,-1742668.314011,4987344.475359,3561551.023625,1],    "boundingVolume": {    "region": [1.906905,0.596224,1.907000,0.596339,0.000000,8.802018]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1300840.b3dm"}}}