{
  "manageEntity": {
    "action": "Update",
    "entityId": "186630",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraa2tvt2r4mqmcvjcmwqdvuleaimfveqqnutp3crnwgxjamv6qgbhq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":61293},{\"type\":\"playlist\",\"playlist_id\":61570},{\"type\":\"playlist\",\"playlist_id\":61832},{\"type\":\"playlist\",\"playlist_id\":69439},{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc1cba1a71e428cf6c609d1d3be8639d28f5efeb1fc62a51d7caa3134ae12c436",
    "signature": "0x9d4e8187f55ea83f396e9257f6d66e0a385c8197c61f0983f5bcb2d7fae0e3c82f8f18db436a8c864f5f62d11e2823f2aa587a6d457ae977806947786e5e7f5b1b",
    "signer": "0x4ab505DBD73CB27C1457E037607E5fB3B27915f9",
    "userId": "186630"
  }
}