{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858321,-0.513114,0.000000,0.000000,0.262520,-0.439135,0.859211,0.000000,-0.440095,0.736177,0.514160,0.000000,-2809470.323133,4699596.586298,3260316.158218,1],    "boundingVolume": {    "region": [2.109523,0.539965,2.109687,0.540091,0.000000,101.578900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_128198.b3dm"}}}