{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895728,-0.444603,0.000000,0.000000,0.284139,-0.572446,0.769137,0.000000,-0.341020,0.687042,0.641622,0.000000,-2178072.728780,4388099.652490,4070570.211339,1],    "boundingVolume": {    "region": [2.031466,0.696552,2.031588,0.696670,0.000000,24.370976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_663310.b3dm"}}}