{
  "manageEntity": {
    "action": "Repost",
    "entityId": "990416199",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x10f341b6a3cb5f961db09083cf220d5863edc96b8887f7dc136357834920aa60",
    "signature": "0xcd4a9d8ebe987495b53179d311d16ae1691fe9f3eaa9f058e1a1b696138e040b62ac183bdc4230baec32759a3515a5a8d3bd96d4aaafa9f7fd33ada321c5fb041b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}