{
  "manageEntity": {
    "action": "Update",
    "entityId": "442277469",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera57d5cnxy7xhxretv7i6kxt5cfiiys52kokscvlbcbwgk56qwgg5q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":404642876},{\"type\":\"playlist\",\"playlist_id\":1393071726}]}}}",
    "nonce": "0x784216a72cf04a27d9a88d6a5260e5505c958e3d6b935081d3019de3242ea1a9",
    "signature": "0x648a22223155799d81a454a7aab26b856c2c0d51d6f2adbc57a6cd56bd3e1a760602631c8871f95ca5a7a8219941c328d78a5bbf774314dc07d44da2facfda831b",
    "signer": "0xcE1000874CF7A0a7b16c35A55F7D6f10C607A868",
    "userId": "442277469"
  }
}