{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1645723705",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x44ff9241783d93c9a3b370bb5b2928d022a6d666bbbd83b7309bba50345e20fd",
    "signature": "0xd0425feccd715cef02e14383ee31dcbe84a01902e2059c3bade76956663ed44c5e3eee6a35c5a3581bbd530163c6cab3d9d10f56853a2b8255b6a0c392873aeb1b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}