{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "666103786",
    "entityType": "User",
    "nonce": "0x936a633fd06f679398b91b1913ed6db3dc20d114e78ba73066c4bad87e18c44a",
    "signature": "0xde8037e56b585ce90a15a8d3ea3816c841bffd2fa6ff486d1d3ec16aea7b0e4516919b75401c222be1281ec3029c3818d1fc2346c4ecf891eff7b71ec511458c1b",
    "signer": "0x65dB542f2aa3d2f8e17Be4066a7D406F7A5b26a1",
    "userId": "851742313"
  }
}