{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950646,-0.310278,0.000000,0.000000,0.173278,-0.530898,0.829531,0.000000,-0.256844,0.786932,0.561043,0.000000,-1639917.311872,5024457.280242,3558202.409936,1],    "boundingVolume": {    "region": [1.886224,0.595588,1.886340,0.595702,0.000000,8.705305]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/11_1424040.b3dm"}}}