{
  "manageEntity": {
    "action": "Update",
    "entityId": "384254067",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8226a89df836d930b02574c7577de677037fc3ab58bced75ad0804c9ffc08fee",
    "signature": "0x4060f4644fd5f95899ff1d4a4321b1e2a2a9f63b61231c26946d0ded2d88513067bb18f735db3d9faa52536c02d096bb3606810224b2f468ec72c734387b0dba1b",
    "signer": "0x62e802a3Fe4c23eE572ee4C3207d96A63d8bc54e",
    "userId": "384254067"
  }
}