{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948579,-0.316541,0.000000,0.000000,0.116493,-0.349094,0.929819,0.000000,-0.294057,0.881200,0.370159,0.000000,-1876395.433470,5622990.913259,2346198.288909,1],    "boundingVolume": {    "region": [1.892834,0.379146,1.892921,0.379215,0.000000,17.195207]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/25.b3dm"}}}