{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948878,-0.315643,0.000000,0.000000,0.176469,-0.530496,0.829115,0.000000,-0.261153,0.785072,0.561660,0.000000,-1667432.142522,5012590.382945,3562123.479295,1],    "boundingVolume": {    "region": [1.891862,0.596337,1.891999,0.596444,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1112562.b3dm"}}}