{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949126,-0.314896,0.000000,0.000000,0.175662,-0.529460,0.829949,0.000000,-0.260800,0.786074,0.560421,0.000000,-1665166.561460,5018963.493396,3554253.676295,1],    "boundingVolume": {    "region": [1.891096,0.594799,1.891191,0.594990,0.000000,8.819396]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/28_1372676.b3dm"}}}