{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896784,-0.442469,0.000000,0.000000,0.287573,-0.582846,0.759995,0.000000,-0.335318,0.679613,0.652448,0.000000,-2141755.877126,4340854.744780,4139445.866320,1],    "boundingVolume": {    "region": [2.029056,0.710758,2.029236,0.710862,0.000000,14.477163]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/20_1781768.b3dm"}}}