{
  "manageEntity": {
    "action": "Update",
    "entityId": "368251394",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieradto3faa46j4esweutkjvuixuk5s52g4pfv4smnnv5jcywwr7b7pq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1934375503}]}}}",
    "nonce": "0xca26b1d2055f8555312c5a4a31add9dbb6a4bd01c10bba6a5743a2b717b8e46b",
    "signature": "0x45d02f846c8a4c7bf449e28cf4d46302396397598d4a4e0a6b06dc64f83b2ce636d6c5adbde7ad53c4ad8d0334dd0982eccacc632ee92f5dbc926625335f926b1c",
    "signer": "0xD16DE964b94Db4bDe46DDe6B86F2e9193b7A89dA",
    "userId": "368251394"
  }
}