{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1490519874",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xec5a4c51b1c4e1dcce71563deef3db51abbf0eb15f39b8d212a85226b108293d",
    "signature": "0xd24de7a7506669f5e7bfaf1e17fe5d5e35cb23eccb00b0a8ba03d4e9b8b6f06a60b0ea6d7c0d917380e617bc180dacf7ea187c4d14423cde31b519c9205fe5fd1c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}