{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943939,-0.330119,0.000000,0.000000,0.184232,-0.526791,0.829789,0.000000,-0.273354,0.781626,0.560659,0.000000,-1745325.361459,4990573.329284,3555761.297739,1],    "boundingVolume": {    "region": [1.907178,0.595123,1.907273,0.595238,0.000000,8.794512]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_1309984.b3dm"}}}