{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515409",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf4b2f01e57d004493d65c4ababf77ed1cec2f7db90e5436a013107c354e53e5a",
    "signature": "0x09f95ef76dbef48cec355ffc034ede30513c4c55268be78624dc3485c33822de2f9e4bdfa6751f2f7e2500afd80b40d0283a78f30a352061d6bf85630fa8729b1b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}