{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950716,-0.310063,0.000000,0.000000,0.173399,-0.531678,0.829006,0.000000,-0.256502,0.786488,0.561821,0.000000,-1637738.561525,5021636.303352,3563151.394277,1],    "boundingVolume": {    "region": [1.885973,0.596501,1.886138,0.596670,0.000000,8.791633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/2_1391810.b3dm"}}}