{
  "manageEntity": {
    "action": "Update",
    "entityId": "75022890",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0261d9baf96ce033385960d2fd4995e004ccf4ce5ec7cd070b549de111488c21",
    "signature": "0xe212f451877543562be1cbdd35527cbe557b5de269dc34fe22e3e888e446b0435924df146df6c2aeabdabef5ce2f59b30a9a0e9c83532aab1f34085bc3c6874c1c",
    "signer": "0x6169b6243D65c4A1E869a3C7Db3e9F2bbC248a95",
    "userId": "75022890"
  }
}