{
  "manageEntity": {
    "action": "Repost",
    "entityId": "823270164",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x259ec446bf63a26bfab460ad6e531a6859de4f5c9ef91575155f31ad3b0f6e3e",
    "signature": "0x8743b01494b5cc668113e56801fb08d04d0cc8cf03862ed472e58c7fbcc46cab49f09f264bf63bc1418f1418d8713def8074a2e73cac709588d730054e956af91b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}