{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951617,-0.307286,0.000000,0.000000,0.170604,-0.528335,0.831719,0.000000,-0.255045,0.789833,0.557778,0.000000,-1628406.222030,5042918.289826,3537451.732537,1],    "boundingVolume": {    "region": [1.883082,0.591662,1.883190,0.591750,0.000000,7.980550]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/40/43_1321898.b3dm"}}}