{
  "manageEntity": {
    "action": "Update",
    "entityId": "817964210",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x724ca436135c30571ade83e7630ab60a7f4e28c89adaacf9b1b5b902622c90cd",
    "signature": "0xfe0fdfc661784b7c0b26294b9f190d74f37e8184a90ed9dbfca35d4e105743100dde71811326f959bad8a2e4adbdb2434d5fed95a4e40b8c552af68a4a9e1d9b1c",
    "signer": "0x095a68b9D98ac351Fb872C4290e156751C9D7CCE",
    "userId": "817964210"
  }
}