{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950514,-0.310683,0.000000,0.000000,0.173879,-0.531973,0.828717,0.000000,-0.256924,0.786043,0.562251,0.000000,-1640433.890312,5018805.208084,3565880.874560,1],    "boundingVolume": {    "region": [1.886658,0.597056,1.886756,0.597154,0.000000,8.424773]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/11_1383954.b3dm"}}}