{
  "manageEntity": {
    "action": "Update",
    "entityId": "605775157",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6663f908627fc6f18e86142e5034554de43c29fea59230b083560f2c10fcac5c",
    "signature": "0xeb8fd0b0c3d337f910ffe3b88dcb566e7a6586b02d9227d9a37f96d4267edaf834cb1adea334cf706bc3478637f9874d51542837d83e4f1447600014b3b078051c",
    "signer": "0x28B95af038ACb6815848Db6776e96EcF8F17a27d",
    "userId": "605775157"
  }
}