{
  "manageEntity": {
    "action": "Update",
    "entityId": "147374684",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd36c279cd98388b9636187070e0ab385806b8a961821c95877ac653d4ccd7174",
    "signature": "0x1cbe2f8f85f3f0cc6219f39c982b118c98be2143e13b3fe4847e25ad8b9f0bdd4a53fd568ed36fa63e153444256f3471029e397f6c7b34b884d0d1d7f4a521591b",
    "signer": "0x056bfeF3e65995E8DBe80c8C27F93Da4e3606A85",
    "userId": "147374684"
  }
}