{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858269,-0.513200,0.000000,0.000000,0.262528,-0.439048,0.859253,0.000000,-0.440191,0.736168,0.514090,0.000000,-2810083.036203,4699541.709416,3259870.192220,1],    "boundingVolume": {    "region": [2.109624,0.539884,2.109788,0.540009,0.000000,78.074233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3_331501.b3dm"}}}