{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858298,-0.513151,0.000000,0.000000,0.262510,-0.439075,0.859245,0.000000,-0.440144,0.736187,0.514103,0.000000,-2809787.429151,4699659.647023,3259954.405173,1],    "boundingVolume": {    "region": [2.109566,0.539899,2.109731,0.540024,0.000000,78.074233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3_217072.b3dm"}}}