{
  "manageEntity": {
    "action": "Update",
    "entityId": "106240627",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe83f9f88b2f9cdb88fb8d5969ac60cfba7790f7d1fb29b4f7468c218bcad9d5e",
    "signature": "0x83028de160e5a6a68b2c36f762ea29732a2ef5630c0545adcf88e15adcf4240c19451481483911f55b4c6cd0a8fca5181826e41a040a7ed1c1ece27d75ef57b01b",
    "signer": "0xADAA76f366782441266581F6B016A9e2b8E11C11",
    "userId": "106240627"
  }
}