{
  "manageEntity": {
    "action": "Update",
    "entityId": "806407908",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierafgccgyqd6tjz7vwvjw7ijpumrkpn2sanulkc5gvt6bpjkctrhvla\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2114901978}]}}}",
    "nonce": "0xdc773ccdac75b6f5c30e40b1a6658542addf8e53ab98abcd5649dfcc1bc0d4cc",
    "signature": "0x17fe1b1bb2161aeba504d6a8365c4c08ee54a493fa66f08c1dfd6d5e07221574299376ac8622079316c2edbbb5b8fff863634a061223c60845bd68ecd6fdfeda1b",
    "signer": "0x60f5fBF794ac4778042379f64f19f0E92795Be73",
    "userId": "806407908"
  }
}