{
  "manageEntity": {
    "action": "Repost",
    "entityId": "561359021",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb70aef649c0df9102227b4c3b77da5b7f142861465a2b72f6b8a7aeb083b6e6d",
    "signature": "0xecb5db7753fdf47d19628628d144aceb9725762b7763c0caac2506cafb81981c5ef4a69849bf2e35b768a2d6ac8ada1b9ec53b49d5f9dd002a94880170b50d4b1b",
    "signer": "0xD9254B079e0e1571E56512C57188F2eec899054f",
    "userId": "854498636"
  }
}