{
  "manageEntity": {
    "action": "Repost",
    "entityId": "721948849",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x61237f3a65003a546d055bc0dfdfc3e53f8f6c472804d4854719f537b85ebf7e",
    "signature": "0xaac6ce0d82281b769b7ece85a63336c8b573f5eb4cff6c2f29aa67e55d7421743a09c27324d4db6f48140d4ec287655884c6840ef5f12b8a75cc514349f5d9191b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}