{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949744,-0.313028,0.000000,0.000000,0.174945,-0.530792,0.829249,0.000000,-0.259032,0.785916,0.561461,0.000000,-1653884.886342,5017979.150208,3560860.379903,1],    "boundingVolume": {    "region": [1.889099,0.596066,1.889252,0.596234,0.000000,12.781498]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1434887.b3dm"}}}