{
  "manageEntity": {
    "action": "Update",
    "entityId": "207805985",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe0475b9accb577b9caa767e6a3945c5414b8f529a025f209fadcaad36f1d7f29",
    "signature": "0x151bbf398e1204c2843f9d2d642c66af87f442dda017322b6a10152c597364923f353158ec5512bb269596ac2ad5d35d2b007562ba927437c6d76880f72c47ba1b",
    "signer": "0xA6C0Ff2962164Af3e15FEa8E30E721A726683772",
    "userId": "207805985"
  }
}