{
  "manageEntity": {
    "action": "Repost",
    "entityId": "400609521",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x540ea311e00fe4130a328437bdd84ccc834ee68298c21c9d8b4ec7cfc463cc2b",
    "signature": "0x922772a1b9efaf50282e36794128aa435adee60073c267010974b581f8d59fed52496d784561ce6cd68670c187e4ac6ae198d8e9a1b780af0f82728b3c0c15611b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}