{
  "manageEntity": {
    "action": "Update",
    "entityId": "169663749",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe8814b1599877cf848a50e18c1b38e05745fbc9098781809986fa6cf5ba4563c",
    "signature": "0xc588a32f4681b1b313fc5e076bfb54f6f5c4a7d21cbf098733eef4982d268c7d407b716f7b256b5a91c61b8616cf068c5ddb148e2b68bad8b8690393c2c8468c1c",
    "signer": "0x1D095fdd74D71f435E3C56BdBD687D6a270Acb3E",
    "userId": "169663749"
  }
}