{
  "manageEntity": {
    "action": "Update",
    "entityId": "828122082",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xff9b5da2fc632c874cc0d97c4df3bb107ddd2915241e33ad4e1203d575112d9f",
    "signature": "0xd062f6c31ed6f7ba53fc3f34e9fff332b27075a4f7f111e92d878b6b51c521d9554b2e69708f08e6c15c7d76022df0bdafe4a730bf89f0f130d9af2c4254d0641b",
    "signer": "0x28286330e167ff43Af26834C24201cA136C5501a",
    "userId": "828122082"
  }
}