{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949121,-0.314913,0.000000,0.000000,0.175733,-0.529643,0.829817,0.000000,-0.260772,0.785943,0.560617,0.000000,-1664989.354648,5018133.668474,3555499.774560,1],    "boundingVolume": {    "region": [1.891093,0.595078,1.891230,0.595184,0.000000,8.506112]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/0_1370007.b3dm"}}}