{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951579,-0.307405,0.000000,0.000000,0.115054,-0.356151,0.927318,0.000000,-0.284793,0.881581,0.376440,0.000000,-1817309.933022,5625516.193435,2386045.757294,1],    "boundingVolume": {    "region": [1.883214,0.385913,1.883309,0.385988,0.000000,4.739269]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/17/60_35728.b3dm"}}}