{
  "manageEntity": {
    "action": "Update",
    "entityId": "946701878",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbbaf11c8b59be8eb0307a21f354b983e323b852203346521a2ca078ed64cc3cd",
    "signature": "0x1c5177e8257019b99ab9c4e134714f8f1d67ff29555dbf2b7c05506a363c5bcb4ec166b934fd919ed8f06279a042beb0eb883a3e4c99e3bca438ae17c44f62651b",
    "signer": "0xBb4808d1F012836c9B892286a313C6c6eD6E10e5",
    "userId": "946701878"
  }
}