{
  "manageEntity": {
    "action": "Update",
    "entityId": "629707907",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x761d5cc7c6b559fc2730a925d1a71d46c4265bd289d28764c3bfbebee3f8f88b",
    "signature": "0x701a45bc10a2ce8eb8dd05833887f4e65b4799372d1216c91a84692a1d0c8b401196d45f8bc18273d819585ed8bc3eae285d2376cb7b248f56d2d049e1d544871c",
    "signer": "0x4D5454A391B2B967F678c28d6f8af657556ACbE0",
    "userId": "629707907"
  }
}