{
  "manageEntity": {
    "action": "Update",
    "entityId": "241807741",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2e689becb2f7624c67af63b44712b01ab44f0e526c1b21612b12dd022c3531d8",
    "signature": "0x53028b03b43c0b4051fb5f5cddc4121748f4860b75140f6b2907869250355bcd369c5f896cf117982135172123491b873300313d577a4c26e0cd80298dda7f6e1c",
    "signer": "0xDad54011Aa75e9CE1531cDb8924456782a2C11a0",
    "userId": "241807741"
  }
}