{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "77956233",
    "entityType": "Track",
    "nonce": "0xa879b2b2f2465ec29c4c42a24ddd631d4a05ce3e3a8fa349dfd6afac76a92d59",
    "signature": "0x04fcd2b1e869a79994ebea70cc96b7f71ec95b22833c0566fa78b396933e6fe6105da61fd3fd1e4b39cda408ca4dd1f348b1f84247d6defc24ad2c410858f8ca1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}