{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949518,-0.313713,0.000000,0.000000,0.115655,-0.350055,0.929562,0.000000,-0.291348,0.881826,0.370810,0.000000,-1859112.107068,5626996.152756,2350323.159322,1],    "boundingVolume": {    "region": [1.889843,0.379823,1.889951,0.379938,0.000000,4.251986]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/3/21_74530.b3dm"}}}