{
  "manageEntity": {
    "action": "Update",
    "entityId": "41205938",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf3d375d014da7e86250a823777206a5ec355edf72c746c7bb67ada29037d7cd2",
    "signature": "0xa7f1ddf873815465694be44482bed6888f6b3fa9e079ade61da1721df29ebbac18f9f74ad5af08a4724323b5965d20508549f4feca4e89b480ecf0131dce5b6e1c",
    "signer": "0xEECc62AD75B06635D5D94CdAB575501Ff15f1038",
    "userId": "41205938"
  }
}