{
  "manageEntity": {
    "action": "Update",
    "entityId": "179777073",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x45386b795b03257e8006f77c395b57199f08aefd02ba626664a69261cb1a31ef",
    "signature": "0xa37aeb6003b450ba14161c5e23cd72727b86b6b178593e10ed7b2f7aa20e7ad31edb17c40ef01dd36f9165e72dbc3d2b54cdb9aa4e286b23a27f63e32ecd81771c",
    "signer": "0x303fD6F7668Ad0AD901434B85eF391E249785A2C",
    "userId": "179777073"
  }
}