{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949071,-0.315061,0.000000,0.000000,0.116124,-0.349805,0.929598,0.000000,-0.292611,0.881445,0.370720,0.000000,-1867174.992165,5624565.279460,2349753.919053,1],    "boundingVolume": {    "region": [1.891263,0.379726,1.891372,0.379842,0.000000,53.277897]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/20_76323.b3dm"}}}