{
  "manageEntity": {
    "action": "Update",
    "entityId": "162770660",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierad5zgfghgzzqbqoa2td2cch6yzugtscfjxgiv232zmjo5yrnvexpa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1380462390},{\"type\":\"playlist\",\"playlist_id\":83227478},{\"type\":\"playlist\",\"playlist_id\":1326008820},{\"type\":\"playlist\",\"playlist_id\":13443321}]}}}",
    "nonce": "0x92ac33e4609343531470018b110c004790c9b0acb0c80b3a004298d4651f12e3",
    "signature": "0xa24d4833afbd554a7c692e670871a5af5a1f2953e50e94ec50b247f1a43348ae2b58385a24c39c2e0a43c291e86742e3d3af19991b242b046ceeec7c69a437221c",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}