{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950756,-0.309942,0.000000,0.000000,0.173279,-0.531539,0.829121,0.000000,-0.256437,0.786630,0.561652,0.000000,-1637323.043889,5022541.041914,3562074.265651,1],    "boundingVolume": {    "region": [1.885845,0.596296,1.886011,0.596465,0.000000,8.812708]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/1_1385829.b3dm"}}}