{
  "manageEntity": {
    "action": "Update",
    "entityId": "417417032",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierahmmwrgzteeoitbihgyfn336ltmotqqdo3azp77crarmaq4juzxha\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1724392361},{\"type\":\"playlist\",\"playlist_id\":1762932402}]}}}",
    "nonce": "0x6e716b1c8868f3693428eb40bb6acf61aff8f2bd83d9011a0877785f2806b075",
    "signature": "0x0323a30de822b8804164bb362731b94a508cfc021bea12705b45e0e7eeefc10231a05eb5d4f68e669e776a2967b9ad37e582f1c016ef5258764b43a08d229f541c",
    "signer": "0xaC2dE7715e3c8cF361cD6EC75fb75b2EBd90cFda",
    "userId": "417417032"
  }
}