{
  "manageEntity": {
    "action": "Update",
    "entityId": "417417032",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierahcdyitkwpsadhyyko2rmpkcvxaus2vsybd5km2xtgw2auyh2rftq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1724392361}]}}}",
    "nonce": "0x98e762b5b28d2000d0960b36df93ab117b50c3ff6a1c67c9276fcfe711898f11",
    "signature": "0xe6badbfae799c484020774ffdb4f238a37a5682d80153d5af5e3033c322b98a80aeeeed1ef7de4ab1c9d185cdc7a2f39f01438db9356b5408fb9f35af9d4d5281b",
    "signer": "0xaC2dE7715e3c8cF361cD6EC75fb75b2EBd90cFda",
    "userId": "417417032"
  }
}