{
  "manageEntity": {
    "action": "Update",
    "entityId": "360503006",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x625e10d31873c51fa56c8427ffbb7e049aea38f34a9aea4dcbd4fb63cdb40f31",
    "signature": "0xbed6d00e33cdc2cf8c1c9b2efc1d0e759a9bf4e9138ac858441815668b31dd9b2eb05b715b6bb83de56037551c375cd714cbf870754d16b838bd4ba2ebc7d97f1b",
    "signer": "0xEc97D192Db8a8Ceb218C19d4789628453A691ac4",
    "userId": "360503006"
  }
}