{
  "manageEntity": {
    "action": "Repost",
    "entityId": "754459507",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x700fdfb8563be1a58ef2c422af02a9ee8d4ea520a4f447b2a1a45493202cdba5",
    "signature": "0x13ca8b471c0a64951ac2b9903266a2bcd1ff76bbd1aeb9666b86de26ba09915874e861c0c3d483d64301d209a5e6f39a9518e439b25947fe126ce89a439efa501b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}