{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "2128409862",
    "entityType": "Track",
    "nonce": "0x785f6f3b5108ba67caa5e1aa23888fba24101a3ac1e8ecaaddc718224d15e9d5",
    "signature": "0x9ddbc87b25ff7cbfff0d1c5d8e7ad034fa1c576f0e55856e63d5099d6e2844d26d18e1cf5f028357a997debc058c9d7c889466337b15f93111941fae4a2130071c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}