{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951177,-0.308645,0.000000,0.000000,0.113664,-0.350287,0.929720,0.000000,-0.286691,0.883519,0.370409,0.000000,-1829394.187125,5637794.169802,2347781.244998,1],    "boundingVolume": {    "region": [1.884530,0.379438,1.884599,0.379460,0.000000,5.369381]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/4/20.b3dm"}}}