{
  "manageEntity": {
    "action": "Update",
    "entityId": "480700475",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8270c45c5a5ce00624373f4e6dc344ab8929604395bb4e3f0d97d1a816b687ad",
    "signature": "0xcf9459645cb33a9b123a00531ea8f05c582530fbf50e06191d4d067789ff31d0333ece414b25b2a4b71892a33458c44103870b6c2d46531ae31fc53442b763781b",
    "signer": "0x74aC9A0a8CcbFa0799AF567008d69FA07b727105",
    "userId": "480700475"
  }
}