{
  "manageEntity": {
    "action": "Update",
    "entityId": "836056909",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4304e9d8c1a01b4840b4c2a789f987d1bfb1445d2041c92f3aecaf2fb74f7a6b",
    "signature": "0x9abdc31b9774ddf00ae29954f7cb82103300605697514b84c3e9065750590d7114285f7ae8b8fee5a3708f8176cff9896bd14e132f114ece4e9dec391780488c1b",
    "signer": "0xC788A8E595e66f6dd40863AA97bFbC71c56108DF",
    "userId": "836056909"
  }
}