{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1399777346",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdab15b89a3734b3dee5190c11af446bc3690f01f9e8932b915b5af135b76761e",
    "signature": "0xc388c08b7465c570596df087e8ffe7f01e1d3db54d529bf9e1ecf30b2b371fe358cb2fe9d399dfe02e637dffd9cbfb99fe0d8539162583342cf11a69cc29c1ee1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}