{
  "manageEntity": {
    "action": "Repost",
    "entityId": "742505",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8104b203dbfdd1896eff41e6398afaf519152dfb74f15f49467738b79687b41c",
    "signature": "0xa9e8b8ddef76e9d1561b212ff53f8e56dd4cf7757251a63d448131d81743971d4510d3ca272a80b4a4459141937d2c3249f91b552319276d2e59e7b98e9c3aa11b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}