{
  "manageEntity": {
    "action": "Update",
    "entityId": "834784522",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbbbac24b429b5fe4dc681f795d75be3241138fb1ebd8965cf02ccc25dbf92c3c",
    "signature": "0xc5b1b96c4728391b08078c8d6dfcf11c9633abab31453ad3468f5796433e1d6245a970945b5ffe0d1a70d4740df88b9967161416d78ab2ecfca8b737bf6b018d1b",
    "signer": "0x032353067E6A79e4D3c78a727050A3CAb9964e5D",
    "userId": "834784522"
  }
}