{
  "manageEntity": {
    "action": "Update",
    "entityId": "287318706",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4624fb6d7ed0dc614d368b65fa09e6ffc5008e11d33935a2a94fc88a2c21758f",
    "signature": "0x1c5ffc9869256d14ee483d75b494cfd8f6439b69d6c8eaf321101a4d56cd90e87acf01a086c24a54eba24ba74799bd1867b68e12bbe56042393812ee972555fe1c",
    "signer": "0xEe3905136f4fF4281aE4d532C5B3c71d4C5E4cd0",
    "userId": "287318706"
  }
}