{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1499475357",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x339b687001ff08f9bc490bd28cf1a4553aaf17bc814a58003dd902f58a21e701",
    "signature": "0x913b0517d488295c4b19724249d098258a7b48648451f690ce497d057e430b215d9d45d34a9ae3ecf567433ea552dc206857d3a78e78df916dace81bdc94fb3e1b",
    "signer": "0x37C656432bDD87630C13F60036e9857B5ee36154",
    "userId": "288167767"
  }
}