{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948856,-0.315708,0.000000,0.000000,0.176494,-0.530451,0.829139,0.000000,-0.261214,0.785076,0.561625,0.000000,-1667821.977645,5012619.096947,3561902.055048,1],    "boundingVolume": {    "region": [1.891930,0.596295,1.892068,0.596401,0.000000,7.650175]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1056388.b3dm"}}}