{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1649231259",
    "entityType": "Track",
    "nonce": "0x40a196af117e811aaf72139219b08bf0c109665ff43e4368996890ed738e38eb",
    "signature": "0xd3060a6eeae1532e1be01f69bc83952f1c9e60c1a3f70fb8d673cac505d57ad36b37378363ba88995e36c71303fd6d4c8566cbd1df41c0066c7a0f80d4acea201c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}