{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948885,-0.315621,0.000000,0.000000,0.176471,-0.530543,0.829085,0.000000,-0.261125,0.785049,0.561705,0.000000,-1667254.076496,5012443.600615,3562411.423188,1],    "boundingVolume": {    "region": [1.891839,0.596392,1.891976,0.596498,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1113759.b3dm"}}}