{
  "manageEntity": {
    "action": "Update",
    "entityId": "932913352",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraeypwnpebvurwi6ms4bhfh2q7r73lnbokj6fureb2jz6nsxqerr5q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1236551711},{\"type\":\"playlist\",\"playlist_id\":970205202},{\"type\":\"playlist\",\"playlist_id\":1858743855}]}}}",
    "nonce": "0x26a7224b6d2cd5e02393e6c1a741a039bf78c59eacec3bc3e88c995aa4b4bc26",
    "signature": "0x6de122dd1813405e4593d67f72c36283a217e0b58621d909b67c78557b0976b63791d5858134b5e5c8f43fa04373931ac317db4cbeeaf6e7a23c372e8d6f68981c",
    "signer": "0x246ee460396d3Ce96d35a51BdFf33dD846679b45",
    "userId": "932913352"
  }
}