{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943794,-0.330533,0.000000,0.000000,0.184162,-0.525850,0.830401,0.000000,-0.273901,0.782088,0.559747,0.000000,-1748811.562192,4993502.840700,3549969.862552,1],    "boundingVolume": {    "region": [1.907610,0.593991,1.907720,0.594171,0.000000,8.798668]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1319222.b3dm"}}}