{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949260,-0.314493,0.000000,0.000000,0.175876,-0.530861,0.829008,0.000000,-0.260168,0.785285,0.561818,0.000000,-1661141.540708,5013956.675567,3563132.716014,1],    "boundingVolume": {    "region": [1.890668,0.596571,1.890770,0.596593,0.000000,12.158454]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/8_1418222.b3dm"}}}