{
  "manageEntity": {
    "action": "Update",
    "entityId": "472091939",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcebd73f6173124561bfc6ecfaa552ab31277b8560b6c9c98d2e2f57f00f22e49",
    "signature": "0x56b244eac7f64e4edd1b279dded265513c950ad93c3d73b8559c13ee88106e7051db4b0221270c53e9b6a3644aec15c4ccc46ed19a75c2e12da8c8fd0191e06b1c",
    "signer": "0x7096C266e897109B09BB8e3fD737182dc82D386f",
    "userId": "472091939"
  }
}