{
  "manageEntity": {
    "action": "Repost",
    "entityId": "721609717",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc76561d33146cfa0ed7b8c8c058c6aa7a1e403e1a169ea320f00c9c281bff939",
    "signature": "0xd45ef1c00995849715373cb5ab1cdd99c927a476decb835e66d2df4b63892b251d8e3a3a9844a4486c2335eaf4b445e91f8d2e045f3fe1c968b3891560d2fa551c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}