{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544487",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x144bd5fa3ac5541585701f185e927d81dbbe9634a487dfed378b3ad8f308249f",
    "signature": "0xcbf901231a3fb0f6c9ef80eb9ce917507b42cd471e24fb8c91c1963605ec26d3313c037e990f25dc8a9a10e7f5acc3e887c8d688c3629ab345fa67a5f4dc5da41c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}