{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950558,-0.310546,0.000000,0.000000,0.173352,-0.530616,0.829696,0.000000,-0.257118,0.787018,0.560796,0.000000,-1641662.632055,5025002.409244,3556637.983459,1],    "boundingVolume": {    "region": [1.886506,0.595290,1.886622,0.595405,0.000000,8.803719]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_1450593.b3dm"}}}