{
  "manageEntity": {
    "action": "Update",
    "entityId": "597043070",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x85a4f54fa9b2812dca7a52e26ccf48a9d6b95055ca91db873deb48d115f9742e",
    "signature": "0x6be259ea7ad4e85090c4c3a9f8f8bc91bb9714c99f41d9fa95c5dcaa5667b97d10aaf754b15a4926a95b52c6565cb9eecc82d113e2206b4188e8258d63a9e69e1b",
    "signer": "0x7d7FEC0C84a2F5929d980F293608Dc82F0c33283",
    "userId": "597043070"
  }
}