{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896524,-0.442995,0.000000,0.000000,0.282946,-0.572621,0.769446,0.000000,-0.339924,0.687932,0.641250,0.000000,-2171074.304756,4393774.417493,4068202.773435,1],    "boundingVolume": {    "region": [2.029642,0.696070,2.029824,0.696182,0.000000,20.553015]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/6_505053.b3dm"}}}