{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1907628479",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0043337fabb48b54be4f7819bc4708d7c1af044dcb91bcac3d475a2812e97fa4",
    "signature": "0x554de87659602499c1ce228bf0b4a5ae386d8a48a0a7c3dbe9807bc754954d8a064749483c3e3f7b4226a36ba7c6e31f516be3aa70050740461c6996034b2bb01b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}