{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950295,-0.311350,0.000000,0.000000,0.173782,-0.530412,0.829737,0.000000,-0.257796,0.786839,0.560737,0.000000,-1645991.635346,5023856.437218,3556258.620519,1],    "boundingVolume": {    "region": [1.887360,0.595217,1.887460,0.595334,0.000000,6.235726]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/8_1345473.b3dm"}}}