{
  "manageEntity": {
    "action": "Update",
    "entityId": "846271474",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2fa8e57ec2527f0f395c5233428f355a60952925b0288d56bdcfcc67749169ce",
    "signature": "0x6d0ca6de682a1056a3ce1cac3c1f73e58a1b5db729f28721f155fb9b827be53905196c187e556739470404afafe991d869f5b038e1db47cf46f042eb8f49e9551c",
    "signer": "0xBdfceed936610B812ce9c61cD36cEd25E3C02844",
    "userId": "846271474"
  }
}