{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948226,-0.317597,0.000000,0.000000,0.116491,-0.347800,0.930304,0.000000,-0.295193,0.881337,0.368926,0.000000,-1883641.695255,5623848.492220,2338375.955407,1],    "boundingVolume": {    "region": [1.893938,0.377814,1.894043,0.377893,0.000000,6.660614]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/12_18265.b3dm"}}}