{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949356,-0.314204,0.000000,0.000000,0.175719,-0.530928,0.828998,0.000000,-0.259925,0.785355,0.561833,0.000000,-1659592.752644,5014401.429008,3563227.911143,1],    "boundingVolume": {    "region": [1.890363,0.596590,1.890465,0.596611,0.000000,8.700919]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/9_1419280.b3dm"}}}