{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950079,-0.312009,0.000000,0.000000,0.115906,-0.352937,0.928440,0.000000,-0.289411,0.881270,0.373637,0.000000,-1846768.918580,5623488.076422,2368260.642535,1],    "boundingVolume": {    "region": [1.888025,0.382862,1.888181,0.382991,0.000000,9.806572]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_62460.b3dm"}}}