{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951208,-0.308549,0.000000,0.000000,0.115653,-0.356539,0.927095,0.000000,-0.285783,0.881024,0.376996,0.000000,-1823631.285838,5621963.760201,2389569.249679,1],    "boundingVolume": {    "region": [1.884382,0.386499,1.884546,0.386602,0.000000,56.986053]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/12_5158.b3dm"}}}