{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894627,-0.446813,0.000000,0.000000,0.284726,-0.570090,0.770668,0.000000,-0.343403,0.687575,0.639777,0.000000,-2193278.173924,4391468.495789,4058834.744562,1],    "boundingVolume": {    "region": [2.033930,0.694146,2.034063,0.694271,0.000000,41.409552]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_986079.b3dm"}}}