{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950109,-0.311918,0.000000,0.000000,0.173879,-0.529642,0.830208,0.000000,-0.258414,0.787136,0.560035,0.000000,-1649933.548376,5025741.089241,3551796.291718,1],    "boundingVolume": {    "region": [1.887925,0.594362,1.888089,0.594493,0.000000,6.897557]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_1378821.b3dm"}}}