{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948971,-0.315363,0.000000,0.000000,0.175847,-0.529148,0.830108,0.000000,-0.261237,0.786098,0.560183,0.000000,-1667957.301610,5019114.474955,3552741.781260,1],    "boundingVolume": {    "region": [1.891588,0.594512,1.891683,0.594702,0.000000,8.725880]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/26_1092718.b3dm"}}}