{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949415,-0.314023,0.000000,0.000000,0.175475,-0.530529,0.829305,0.000000,-0.259873,0.785698,0.561378,0.000000,-1659255.474998,5016583.392986,3560332.049200,1],    "boundingVolume": {    "region": [1.890174,0.596009,1.890273,0.596091,0.000000,9.794685]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1359889.b3dm"}}}