{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949646,-0.313326,0.000000,0.000000,0.116075,-0.351808,0.928848,0.000000,-0.290763,0.881259,0.372613,0.000000,-1855386.523782,5623401.508661,2361765.321290,1],    "boundingVolume": {    "region": [1.889421,0.381773,1.889559,0.381873,0.000000,18.316293]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/19_64131.b3dm"}}}