{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948867,-0.315677,0.000000,0.000000,0.176481,-0.530468,0.829131,0.000000,-0.261186,0.785077,0.561636,0.000000,-1667643.849241,5012625.805189,3561975.520971,1],    "boundingVolume": {    "region": [1.891898,0.596309,1.892035,0.596415,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1112050.b3dm"}}}