{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949744,-0.313028,0.000000,0.000000,0.115344,-0.349961,0.929636,0.000000,-0.290735,0.882106,0.370623,0.000000,-1855203.563172,5628784.204111,2349137.746106,1],    "boundingVolume": {    "region": [1.889107,0.379589,1.889245,0.379770,0.000000,24.418460]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_73249.b3dm"}}}