{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952381,-0.304911,0.000000,0.000000,0.113012,-0.352991,0.928776,0.000000,-0.282932,0.883728,0.372792,0.000000,-1805416.341152,5639164.046687,2362901.526479,1],    "boundingVolume": {    "region": [1.880641,0.382016,1.880642,0.382016,0.000000,0.000000]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/38/40.b3dm"}}}