{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895724,-0.444610,0.000000,0.000000,0.284185,-0.572527,0.769059,0.000000,-0.340991,0.686970,0.641715,0.000000,-2177888.819103,4387640.282785,4071159.774313,1],    "boundingVolume": {    "region": [2.031474,0.696673,2.031596,0.696791,0.000000,40.183657]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_663801.b3dm"}}}