{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871223,-0.490888,0.000000,0.000000,0.212004,-0.376263,0.901931,0.000000,-0.442190,0.784794,0.434242,0.000000,-2822128.425265,5008686.512142,2752854.673116,1],    "boundingVolume": {    "region": [2.083849,0.449157,2.083961,0.449237,0.000000,126.350600]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_227030.b3dm"}}}