{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1490703411",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb45d029dbe1054ba692c0112e5cd069f2f8878830af69c26cd8685a5ff0e5c66",
    "signature": "0x35f134f27554e64033cdbee6a2c88306666f6f028523881c3e53cf9093159d443b0ed845ce3551b6f723221eabaa727b15393e0dfdddef12c9dc5cd91045bfb81c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}