{
  "manageEntity": {
    "action": "Repost",
    "entityId": "578914561",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd8558a98186d8f6aacedf289789466b3f1ea01b3013b418ff67f8d7a7ed1b5b5",
    "signature": "0x9da6a8703f606b5d331e537e8b6b061a736b4f3324ecd9b08aba59ccc252ce5e17236187589915bedf969f1a0f3582e5e4511710ff621d4502e04ecea7e40a371b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}