{
  "manageEntity": {
    "action": "Update",
    "entityId": "395952780",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraa2sqyo7m5fvljzxjcxeu36jmtlyb3rxzzsv43g5jussored2emoq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1407436028},{\"type\":\"playlist\",\"playlist_id\":799617843}]}}}",
    "nonce": "0x7faa660955501f02885bd88ef8efba57c596ea8f25af70758064a57ffea8b5aa",
    "signature": "0xe07840acb0ab4ab29ef6e0bdd7adeb82f4c6aa655f3970bcd0d363a6f9925f353b24883b187428c515dd85b72d3ab208e008e65427b346aa43870a357d9a579a1b",
    "signer": "0x16A26F9daaE8826a797a499Cfd6103912268C1A7",
    "userId": "395952780"
  }
}