{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950887,-0.309538,0.000000,0.000000,0.172810,-0.530865,0.829650,0.000000,-0.256268,0.787246,0.560866,0.000000,-1636238.538936,5026458.227603,3557077.342636,1],    "boundingVolume": {    "region": [1.885430,0.595321,1.885576,0.595541,0.000000,8.800975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1340980.b3dm"}}}