{
  "manageEntity": {
    "action": "Update",
    "entityId": "80900810",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9d17689e5685b9e742b4ffd32e7e3bb02a0a488218d8b2425d80ba1c6b8b1356",
    "signature": "0xfb8c9623c920b92353b4c11ab4bedd62ad60130df64ab067185c9ac0b8b8c8ed52443f54ffe6ff52f747250e8b885efd075fd6e778ae24a02477e22c892e49a31c",
    "signer": "0x2e1Cb3644DC0693bAF3Fe570Db536775d66210bB",
    "userId": "80900810"
  }
}