{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952135,-0.305678,0.000000,0.000000,0.113292,-0.352883,0.928783,0.000000,-0.283646,0.883507,0.372775,0.000000,-1809973.156521,5637749.082834,2362792.596726,1],    "boundingVolume": {    "region": [1.881439,0.381988,1.881456,0.382007,0.000000,12.816602]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/46/40.b3dm"}}}