{
  "manageEntity": {
    "action": "Repost",
    "entityId": "645112566",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb15c6d435fc80aa0827cc2e62c540cb3cc638a5c50762614c482a790a64297a8",
    "signature": "0x0a5036854090f3f71ba2a2b493b803f9edd983d08c07219ff4315dce4a319b2f60c783381160b549fd9c45ae5a13a8cc463a02148634684d259982917b29f0a01c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}