{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949070,-0.315066,0.000000,0.000000,0.175717,-0.529309,0.830034,0.000000,-0.260967,0.786108,0.560295,0.000000,-1666237.767025,5019181.814101,3553448.691384,1],    "boundingVolume": {    "region": [1.891276,0.594646,1.891370,0.594837,0.000000,8.819431]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/27_1382372.b3dm"}}}