{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948719,-0.316121,0.000000,0.000000,0.176493,-0.529677,0.829634,0.000000,-0.261714,0.785436,0.560889,0.000000,-1671007.444181,5014901.042331,3557225.414446,1],    "boundingVolume": {    "region": [1.892387,0.595348,1.892482,0.595571,0.000000,8.765963]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1071854.b3dm"}}}