{
  "manageEntity": {
    "action": "Update",
    "entityId": "232444314",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf8c490414dcaab1b576a2ed5e9a0480bf7d2f12c076fbce7778af12b6a218c47",
    "signature": "0xee2e183c3150277e277074cf2ecd5003114de4d0fddf34cfcefbbb426f46c24e427a6fa112ebd7c354b8bc44375989e4e3b2b183582f9c711428679cc74edb7d1b",
    "signer": "0x5BAc9D57712D346870290a6Aa9Abb706a8AeC757",
    "userId": "232444314"
  }
}