{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948854,-0.315716,0.000000,0.000000,0.176505,-0.530469,0.829125,0.000000,-0.261216,0.785061,0.561645,0.000000,-1667836.331234,5012522.584288,3562030.287283,1],    "boundingVolume": {    "region": [1.891939,0.596319,1.892076,0.596426,0.000000,8.794218]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1112210.b3dm"}}}