{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898464,-0.439047,0.000000,0.000000,0.283838,-0.580844,0.762926,0.000000,-0.334018,0.683533,0.649011,0.000000,-2133422.604341,4365823.920088,4117578.970218,1],    "boundingVolume": {    "region": [2.025284,0.706246,2.025385,0.706321,0.000000,17.966009]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1817814.b3dm"}}}