{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949434,-0.313967,0.000000,0.000000,0.175436,-0.530516,0.829322,0.000000,-0.259832,0.785729,0.561353,0.000000,-1658995.226960,5016781.384104,3560175.398648,1],    "boundingVolume": {    "region": [1.890116,0.595979,1.890215,0.596061,0.000000,14.128736]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1360391.b3dm"}}}