{
  "manageEntity": {
    "action": "Repost",
    "entityId": "643377",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x75a6221ef71d8f2f28cabcfc659177bd183af9c0f97a95325c9a7853d08ff2af",
    "signature": "0x93f38743ba470643c7cd444c975eb6225e62e256bac468744fd54c58a6430d4e3495d05ef136537694a937f6bb68a107cdfdadc1edb848ba3c14d30e50fb71911c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}