{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858674,-0.512522,0.000000,0.000000,0.262343,-0.439527,0.859065,0.000000,-0.439511,0.736354,0.514406,0.000000,-2805749.687039,4700728.939222,3261876.845263,1],    "boundingVolume": {    "region": [2.108833,0.540252,2.108997,0.540377,0.000000,25.398033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/6_248146.b3dm"}}}