{
  "manageEntity": {
    "action": "Repost",
    "entityId": "513616298",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3e6682e1d69d6fd351de9ba06eee5d935e9809f73329d5284fdda5c73e498559",
    "signature": "0xe83ec703087f35464748ce51076304ba31ead226a7db930569a46c0b83464f32224aad12ca8798ad987a804bc8ed9df125cbba62bf5bd787fe5632d0482fb3121c",
    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}