{
  "manageEntity": {
    "action": "Update",
    "entityId": "246352466",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfa025bc1baae987557bce19e17aceabc68f5fb963f71fbfb20f01d0d38a9c55e",
    "signature": "0x35d30ef7c9ec74c85a781b75a7812bb3766b109ad7911472140dbe0b689d8da818f7c828c50fbfe071d53af00d8765f149ec79bb2708947f1440709e09554cf31b",
    "signer": "0x728BD13A62A85f3f226AeA8ce09427C384872ddE",
    "userId": "246352466"
  }
}