{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858262,-0.513211,0.000000,0.000000,0.262786,-0.439466,0.858960,0.000000,-0.440049,0.735910,0.514581,0.000000,-2809181.521949,4697899.342612,3262991.928949,1],    "boundingVolume": {    "region": [2.109636,0.540457,2.109801,0.540582,0.000000,11.723233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/8_399632.b3dm"}}}