{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1537255938",
    "entityType": "Track",
    "nonce": "0xfbfc497c5a4f51648182d22e71e29118e5674c700e5c64cadaa953baabe206a7",
    "signature": "0x219eb631bca86d0d1ea12c33419ac20d5a1013eb21375d6b735afc88a4bccfff6b7d8da48fb4d0832bcb96dc45692814c5f2e279b74a97bca3fb8ff3204f8d7b1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}