{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895735,-0.444589,0.000000,0.000000,0.284185,-0.572562,0.769033,0.000000,-0.340963,0.686954,0.641746,0.000000,-2177711.404644,4387540.132856,4071361.250471,1],    "boundingVolume": {    "region": [2.031451,0.696714,2.031572,0.696832,0.000000,40.183657]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_766996.b3dm"}}}