{
  "manageEntity": {
    "action": "Update",
    "entityId": "890925583",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierafrjuqck52bxu3ncxv64wshytajobqsnvlkl3a4qeh6k2xjeciova\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1072977885},{\"type\":\"playlist\",\"playlist_id\":609526352},{\"type\":\"playlist\",\"playlist_id\":2047265108},{\"type\":\"playlist\",\"playlist_id\":1808708107},{\"type\":\"playlist\",\"playlist_id\":2071567529}]}}}",
    "nonce": "0xa75c42b448977bfaaaebf5712f9fda96ac6ead9301ea0f87ef4d216325e2d1ac",
    "signature": "0xaa5f70da4cb4b7bece039767636b1b7ebcbc94ee31d23bdb944c659ff0c4ed502c5061e0835a76ed66c47156d36d78adf59de1b59a30a48af798991a8d2bd5ee1c",
    "signer": "0x8d9b589dE1945cCd95F387a72F34E3D1dEe0A497",
    "userId": "890925583"
  }
}