{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1456174020",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa90590900d281c66120d058cb53c0f20de4be45fc1619751e5cca218b72956fe",
    "signature": "0xb4d08f40e7d414368c82d5c61eb27dbe2e4ea85b84d62ee03d97edcd28f4a05e3f69afa649a78a11d1efe21df804dc13b49cbd4d66fca54e7dd673e5e17f05121b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}