{
  "manageEntity": {
    "action": "Repost",
    "entityId": "538255342",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd55d6860dc13ab6265a6b5396e48f072e566589504b30c9857a3230fca61925e",
    "signature": "0x6305f96c424a23d060b32a9ba614948a2b96569f40087a4a6356a3abc2a75fe61127cce95ef87865aebe1e7f917f0dc4560eea2d93f1976c86a1f322b716c17f1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}