{
  "manageEntity": {
    "action": "Repost",
    "entityId": "758894678",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x39afe40f5295ccaf0b8d39aed3d2bd30d8d38a56ff221030405dde32aaea49ef",
    "signature": "0x4ddd9ccf17af89e3346bc8ae73d6cfacfe3c39cc77c2b75d8db045c79400a80700dcba0fb000276a2ddf2a97d11d63a81a8b5f9ff9445d78dd1c62b9e94bf8731c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}