{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895639,-0.444782,0.000000,0.000000,0.284241,-0.572365,0.769159,0.000000,-0.341167,0.686994,0.641595,0.000000,-2179014.415374,4387792.576761,4070398.398813,1],    "boundingVolume": {    "region": [2.031666,0.696517,2.031788,0.696635,0.000000,71.286299]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/1_686986.b3dm"}}}