{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950077,-0.312017,0.000000,0.000000,0.174585,-0.531603,0.828805,0.000000,-0.258055,0.785767,0.562119,0.000000,-1647655.247351,5017036.356834,3565046.139007,1],    "boundingVolume": {    "region": [1.888042,0.596842,1.888180,0.597051,0.000000,8.770919]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1400903.b3dm"}}}