{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950158,-0.311768,0.000000,0.000000,0.174105,-0.530610,0.829542,0.000000,-0.258081,0.786539,0.561026,0.000000,-1647812.541651,5021948.917653,3558096.697238,1],    "boundingVolume": {    "region": [1.887800,0.595566,1.887899,0.595683,0.000000,8.779894]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/11_1428204.b3dm"}}}