{
  "manageEntity": {
    "action": "Update",
    "entityId": "467398673",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x23066b788398234649b32e1d86ca6e9cab82422e59d9588ba5e2cbae99a1b947",
    "signature": "0xcd39b95e07108a5865fbb38b7abec71bcda32e37114106611f9b5f39269a4dca325202e5cbeb83547bfcdecc9d7906a3746d2b8ebdc9487941db9bed8a36d58a1b",
    "signer": "0x46CfB51Fda6B1829B8aF13F7d99133767B3F3b17",
    "userId": "467398673"
  }
}