{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949480,-0.313828,0.000000,0.000000,0.115601,-0.349749,0.929684,0.000000,-0.291494,0.881907,0.370502,0.000000,-1860041.880197,5627509.573619,2348370.608922,1],    "boundingVolume": {    "region": [1.889966,0.379538,1.890071,0.379560,0.000000,12.686875]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/4/18.b3dm"}}}