{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858201,-0.513314,0.000000,0.000000,0.263016,-0.439733,0.858754,0.000000,-0.440029,0.735678,0.514929,0.000000,-2809062.076872,4696426.612799,3265199.165846,1],    "boundingVolume": {    "region": [2.109756,0.540862,2.109920,0.540987,0.000000,12.908233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_456598.b3dm"}}}