{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "12129",
    "entityType": "User",
    "nonce": "0x86a2b16ebb1be6da491a07f3af6e6003b7ee646cb04a5913b0d4a9e9edc56700",
    "signature": "0xd7690c046c215aca08e4ecf0bdce673d5e6c345faba5904358b8742fccb0141b784bfbf6a83de6ee51654d7f35b6313e97bf13ee654b951c51821cbcc18161be1b",
    "signer": "0x3Ab8fF95DbFC0deFd15d4d27949f03d9fDd90404",
    "userId": "136466"
  }
}