{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948871,-0.315664,0.000000,0.000000,0.176487,-0.530513,0.829101,0.000000,-0.261166,0.785052,0.561681,0.000000,-1667511.792983,5012466.674402,3562259.355112,1],    "boundingVolume": {    "region": [1.891884,0.596363,1.892021,0.596469,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1113139.b3dm"}}}