{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950007,-0.312228,0.000000,0.000000,0.174117,-0.529780,0.830070,0.000000,-0.258628,0.786920,0.560240,0.000000,-1651300.892089,5024362.292831,3553102.514106,1],    "boundingVolume": {    "region": [1.888252,0.594610,1.888416,0.594741,0.000000,20.097074]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1461169.b3dm"}}}