{
  "manageEntity": {
    "action": "Update",
    "entityId": "655790469",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierabl4cylmu44vvuo3x72z5xj3c4y2un6ifb35ab5hlv3yvrfcw6fzq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1848153756},{\"type\":\"playlist\",\"playlist_id\":1381585353},{\"type\":\"playlist\",\"playlist_id\":747676818}]}}}",
    "nonce": "0xf5b1f56b24b833f78ec1b6f15520c51a76c08daaa2b66575662967c328a41744",
    "signature": "0x043138bfd892a3b9fb3e8e109bf6291b48f423cfcdab5c6a914054f0f2d757a34865435a57bf01dcb42a8e59797d7d7265fed57a2c55cf62a0063149b85ee8331c",
    "signer": "0x2fff7071097d912DEaB17B33e448D7280cEe0723",
    "userId": "655790469"
  }
}