{
  "manageEntity": {
    "action": "Repost",
    "entityId": "640578067",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x26ed13655eec7ef65b69b9df106cbecc08d22c763bb64af9863e388a6576b55d",
    "signature": "0xcc368a33276b9bc059c7143b231658b8c7b085cd25b25b2021b147467cbcabda7720c0d2479fe13579eb7b21288df2c84ddbb50a9887efb9c1e95b30dcca3e991c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}