{
  "manageEntity": {
    "action": "Update",
    "entityId": "18002392",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierazl2vv75rxvjzorkrthqg2jb2j3hl5gnqxijgobau5e3ehdoi7f3q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1608367466},{\"type\":\"playlist\",\"playlist_id\":478691610},{\"type\":\"playlist\",\"playlist_id\":18501855},{\"type\":\"playlist\",\"playlist_id\":1698632687},{\"type\":\"playlist\",\"playlist_id\":1443735192}]}}}",
    "nonce": "0xa1a15c22b36683e957e4c5a8b28bb6c97b3c3821d41619769cd8a37a2e31be77",
    "signature": "0xc88ca5036e65135ea40720b98e204bc622335f131182aab5a83872d413bf998e6c7e251cd6b1638b7b1410d6c1e764e63f7f2584bad882b91efc10e960814b491c",
    "signer": "0x7Eec440C3674292A66f7e20C5E6efAeaE5956B9a",
    "userId": "18002392"
  }
}