{
  "manageEntity": {
    "action": "Update",
    "entityId": "467003012",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6bbb791698d48965ab59efb9a52ca61c4e2cdb0de79ceb606ff08455c63775df",
    "signature": "0x2f85df707e47298b7c0b005af2bf3c8317373a3bdaa76c537865e65de0903ff669065d1317544fbbf5d4a4ad3bac90a78571245e2171c9b0cfa095de1398b6881b",
    "signer": "0xaF7a388A5f241963CFe427661929Bb914004D8e0",
    "userId": "467003012"
  }
}