{
  "manageEntity": {
    "action": "Update",
    "entityId": "157604",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera5enup5irlgu75n26bzcrgnn6i72n2qg65u5buaxfnrlvmuqwdiqq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":44501},{\"type\":\"playlist\",\"playlist_id\":44506},{\"type\":\"playlist\",\"playlist_id\":538837114}]}}}",
    "nonce": "0x0134140b441c8980d766a4e62d86cd85a66bde4c79a3701d2dd2217761b8b599",
    "signature": "0x4bb63b6fd1f31a7e7e687ed190fa91cf631c56ecea7b033856667b7f1af6f4061347cafcc9575d5fd592d05e5cff4e6e9d048f7af8eaf3cb9ab5feca144d825d1c",
    "signer": "0xa5a3024ae3E1d5DCDFF31573802fB8B500297212",
    "userId": "157604"
  }
}