{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950314,-0.311294,0.000000,0.000000,0.174081,-0.531430,0.829022,0.000000,-0.257526,0.786170,0.561798,0.000000,-1644272.481942,5019607.343432,3563002.092471,1],    "boundingVolume": {    "region": [1.887275,0.596465,1.887427,0.596650,0.000000,8.799261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/3_1398681.b3dm"}}}