{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa9a5906ce014f10f83c1b7531e8d724d19650b6cb91b12ffc9f9eb5fcdf3cef7",
    "signature": "0x5288dce5918823d1235caecf50c721bc6df88c4f65c25bfdeb9d5efb600c7cd471ade5b6299868dac14013630faddba78c84d29f60e5ac66961dab66ece8f6871b",
    "signer": "0x4B010760ab25B3887CAA0a8c54d58c9B73bA00aA",
    "userId": "385467596"
  }
}