{
  "manageEntity": {
    "action": "Repost",
    "entityId": "123909",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8bc950b060bbe708aec84e5cb5b69efbe48a31ff51cb6ac7ae27ad36eeeb7320",
    "signature": "0x8b1df86990c86eb7a9e8f8dcf1f648f52790d3592f76480d9d83c7ee89741f7a5a8f0a8d59cdbd52776a52039efcf56f1b1d1af217b0e4359087e2160f578c3d1b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}