{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949766,-0.312961,0.000000,0.000000,0.174840,-0.530601,0.829394,0.000000,-0.259022,0.786073,0.561246,0.000000,-1653819.467255,5018974.464300,3559496.950208,1],    "boundingVolume": {    "region": [1.889028,0.595807,1.889182,0.595975,0.000000,8.812817]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1351790.b3dm"}}}