{
  "manageEntity": {
    "action": "Repost",
    "entityId": "774135321",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe3a8ca58f2aa7fcd0138d02e0605bcea915f050c144b8b0091ad2a2c5a6f60cb",
    "signature": "0x43599cea5735d343f9070f8bb4a9177a6a6356e098e283b5e15241acfeffc85d2cf55dbeb2803a13ba262e1447c07fe080149702a4b95968769aa9bca060c1691b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}