{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949593,-0.313487,0.000000,0.000000,0.174958,-0.529971,0.829771,0.000000,-0.259576,0.786290,0.560686,0.000000,-1657356.686515,5020350.922309,3555932.843473,1],    "boundingVolume": {    "region": [1.889578,0.595081,1.889740,0.595346,0.000000,8.805125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1369193.b3dm"}}}