{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948732,-0.316080,0.000000,0.000000,0.176397,-0.529465,0.829790,0.000000,-0.261730,0.785596,0.560658,0.000000,-1671107.041728,5015916.484956,3555756.526888,1],    "boundingVolume": {    "region": [1.892344,0.595068,1.892440,0.595292,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1179300.b3dm"}}}