{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949110,-0.314944,0.000000,0.000000,0.116007,-0.349598,0.929690,0.000000,-0.292532,0.881570,0.370485,0.000000,-1866669.041473,5625359.126834,2348265.112194,1],    "boundingVolume": {    "region": [1.891140,0.379474,1.891248,0.379589,0.000000,41.277450]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/17_7449.b3dm"}}}