{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950071,-0.312035,0.000000,0.000000,0.174539,-0.531429,0.828927,0.000000,-0.258108,0.785878,0.561939,0.000000,-1647992.766567,5017744.081463,3563901.619920,1],    "boundingVolume": {    "region": [1.888061,0.596624,1.888199,0.596833,0.000000,8.303231]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1333636.b3dm"}}}