{
  "manageEntity": {
    "action": "Repost",
    "entityId": "751771",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd339c2d8cf78322565d18e41b8fea7833421bf0ac92e7640e83bcae49bbf0abf",
    "signature": "0xbe90a2c7c9ef3068f64eacd72243f1011664f25676a44d5475e93c92fc93e7bd1a3ba4f12d83c8e432257ba948c994a538e0b2f555f8ac32024fbb58b57f9e1b1b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}