{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "999692142",
    "entityType": "User",
    "nonce": "0xd09b3567f048acbf49cbb3447934a760041aeb6320e8221706934ad5a40a1174",
    "signature": "0xaf2bff8febaf2c8176b08dacf92a2314ee4c6160689355d6f07f53b76cbeaf816b7072066a4f0b4f01ebfd8fa07abff609dc9e73d824ce2e459b15ddef51f7c61c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}