{
  "manageEntity": {
    "action": "Repost",
    "entityId": "393094439",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x21e0f8d9667e866e6057ac539449c19a595bff2e500fb30765cb5e0a7acb7bca",
    "signature": "0x78c95eab050e947206e108fc251d05f85cdeb864ed984f6fe6e035a25fa74a8a12cc085b7b32020e6f25cf8f3ea023fb5ca3a23cbc1a88b1d0a34ad0fe1fbde01b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}