{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948931,-0.315484,0.000000,0.000000,0.116429,-0.350202,0.929410,0.000000,-0.292944,0.881135,0.371194,0.000000,-1869301.975845,5622591.762029,2352763.720942,1],    "boundingVolume": {    "region": [1.891709,0.380237,1.891817,0.380352,0.000000,39.146810]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/24_3676.b3dm"}}}