{
  "manageEntity": {
    "action": "Repost",
    "entityId": "645234",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x10f0a1b82118e9c888c94bd5a238e5c9fec8b3a4624c86d46398eac6897a065c",
    "signature": "0x199d42ca429c6cd9d0d66719884e3704de3ae90887561e87b9fc7be6b60f6e554b5e03320540ea35b0d4caf2a387bd029121a93719494773b1c722ee684fe22d1c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}