{
  "manageEntity": {
    "action": "Update",
    "entityId": "429311703",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x99e9046d8108eb28b1513d567b6a6b6e6b284e65dc8a2dab145527525df1c992",
    "signature": "0x74a5aa41f664dc5a06e6b5bc0aca855121d17b5b2d80bb362770a0a882091fd93a7121d97ef545480083eba11ae16fa5fcc40fdf02f374f63f66bf34e3a2b7261c",
    "signer": "0x9d5d1f1a59bB255396F7F1e7DeB307A4F66f15ec",
    "userId": "429311703"
  }
}