{
  "manageEntity": {
    "action": "Repost",
    "entityId": "578673",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5e4def73321a7bff54c2c7f6e525b8a75c7961718495349cf36be0519ccd6d34",
    "signature": "0x9d36884a6b8c42d2083a3155564a4d248547547594564bcb66d0681ff048140b181efae51a8427bdad72ad05b6cef10d6ce7abf26de910f301779abce50821021c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}