{
  "manageEntity": {
    "action": "Update",
    "entityId": "467398673",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6e052144fa238890052041d69114b8aa9a0aff9bf22f53edd5ba6150b6c85565",
    "signature": "0x133e6b65db8ceb0475adc4459c068c89f681f33800cbd3c52c3fae20f12846e2109c57c42216b2819ac86f33a9ee16b4c31970558371eba818fd306924a498991b",
    "signer": "0x46CfB51Fda6B1829B8aF13F7d99133767B3F3b17",
    "userId": "467398673"
  }
}