{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948613,-0.316438,0.000000,0.000000,0.176660,-0.529588,0.829655,0.000000,-0.261983,0.785369,0.560858,0.000000,-1672725.173861,5014470.885307,3557025.835486,1],    "boundingVolume": {    "region": [1.892721,0.595310,1.892816,0.595533,0.000000,8.765554]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1187370.b3dm"}}}