{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895731,-0.444596,0.000000,0.000000,0.284172,-0.572523,0.769067,0.000000,-0.340983,0.686982,0.641706,0.000000,-2177841.356611,4387716.027641,4071103.906732,1],    "boundingVolume": {    "region": [2.031459,0.696661,2.031580,0.696779,0.000000,40.183657]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_663945.b3dm"}}}