{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950055,-0.312084,0.000000,0.000000,0.115522,-0.351674,0.928967,0.000000,-0.289647,0.881753,0.372312,0.000000,-1848267.252878,5626552.106524,2359855.807229,1],    "boundingVolume": {    "region": [1.888119,0.381447,1.888245,0.381550,0.000000,10.372041]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/15_66675.b3dm"}}}