{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943318,-0.331891,0.000000,0.000000,0.186184,-0.529181,0.827830,0.000000,-0.274167,0.779250,0.563562,0.000000,-1750534.608077,4975456.706082,3574212.320789,1],    "boundingVolume": {    "region": [1.909032,0.598642,1.909176,0.598740,0.000000,8.645646]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_657663.b3dm"}}}