{
  "manageEntity": {
    "action": "Repost",
    "entityId": "259416829",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd1887404730b75091bfffb2cfd433822d0fc320908526e105678ee29fa6fe959",
    "signature": "0xb35e1c39039cbb65357d4ae4f4c63172d21981d0a744a95e83312789537781421d93113d718fda0205c8e5232b76a451d5bccad8d1615980ce9210b740c00b8e1b",
    "signer": "0x7b52e6AA15Db4Fc3A84AFF2b12e5B8B128eA8610",
    "userId": "808512351"
  }
}