{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950300,-0.311335,0.000000,0.000000,0.174108,-0.531438,0.829011,0.000000,-0.257556,0.786149,0.561814,0.000000,-1644466.930552,5019471.266180,3563103.372938,1],    "boundingVolume": {    "region": [1.887318,0.596484,1.887470,0.596669,0.000000,8.799261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/3_1398916.b3dm"}}}