{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543473",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xea0066b2abe6402b959ab9f749ab2f34dfcd440252adcf81433adf9cbab405f6",
    "signature": "0xb70b8ff58a326242b47bf7e8cc68d93962d53021364375e10e21358109cfdfa82321a9d408f93b5002a89bca0d137d7335eca97fd001f2e0705885cd2d41dd921c",
    "signer": "0x580b8ce3181CecdE24dda8DddDB6a57828990d63",
    "userId": "214104220"
  }
}