{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943336,-0.331839,0.000000,0.000000,0.186085,-0.528994,0.827972,0.000000,-0.274171,0.779400,0.563352,0.000000,-1750562.250582,4976410.057772,3572880.276144,1],    "boundingVolume": {    "region": [1.908977,0.598389,1.909121,0.598486,0.000000,8.747913]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_568664.b3dm"}}}