{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639756",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x62cc5f7414117166e10af4dfe97118f1174352c9b2c84b580fb85deb7f9c3788",
    "signature": "0xb3b9ce3d3690cf5e72d11a64f27741d25d0fb8fba82b8792df9a95807880be1e28011da092e7c195b93b35722d7672dc5d35c8e94e98d54669fef8275f9644fe1b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}