{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949750,-0.313009,0.000000,0.000000,0.115342,-0.349975,0.929631,0.000000,-0.290716,0.882107,0.370635,0.000000,-1855082.759222,5628790.337073,2349217.909604,1],    "boundingVolume": {    "region": [1.889087,0.379602,1.889226,0.379784,0.000000,24.418460]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_73317.b3dm"}}}