{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943698,-0.330808,0.000000,0.000000,0.184317,-0.525801,0.830398,0.000000,-0.274127,0.782005,0.559752,0.000000,-1750258.814117,4992973.090681,3550001.522474,1],    "boundingVolume": {    "region": [1.907901,0.593997,1.908011,0.594177,0.000000,8.095513]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1319648.b3dm"}}}