{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1554897562",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x11619105930d8b01dea9bd7f1c4852b16fca540c3d1385eac56b98da37a4c3af",
    "signature": "0x54cd318eecdfa90681a7255d49436569fb28d151e8ebe06f97fc227db4cdeac82917915e36bf040bec512deead657dc2ed15d43e19ee24c2b631a9a3d7fe83f31b",
    "signer": "0x8781FDDb27196D7349c379564C58C7d0099d42E4",
    "userId": "189793"
  }
}