{
  "manageEntity": {
    "action": "Repost",
    "entityId": "976514605",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd8cfb03ed8b9b121a971934d23825f9e1ceffdbcadba4b1b1f21785393a5f1e6",
    "signature": "0xdf8a0f204b4c1858d3870c4dd6de23d158b344307cfbb66d3141b453759b493214ffea56f2f623000d1d63ba9c2356a560b8cf589fa10d37a959014859ac1f281c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}