{
  "manageEntity": {
    "action": "Update",
    "entityId": "103076055",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraea7utyt656bjr7hfurlyxvjruq3ime5cs4soyuejqq4nnn7ewq6q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1509709691},{\"type\":\"playlist\",\"playlist_id\":34664201}]}}}",
    "nonce": "0xe2ee021a2875f57acb4a52372b2ef269e1d78bdc4cda046c836db9af641f4926",
    "signature": "0xa61f58a5ea5be29d1b5b3bb5c2267bf52250b6a0811b3e1aed12f9bc943c6a2c17e457fa2fe912468e1c4ad7ecefc2b32c108fc99fd5c8b78f08143696a912721c",
    "signer": "0xA2a96aeb1cc4DA90EB01C12046d16159737f9AF1",
    "userId": "103076055"
  }
}