{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "987199883",
    "entityType": "User",
    "nonce": "0x1bff8fe3d57be5bd61143f30589edc489fd4c417a4c046949061d702947f9e60",
    "signature": "0x65c013dc29185f71e2815496f636a09ae38455f4c042275fa636b14dffa7be69743b74fa0b25808558c51fccdeb3cc815355325f2cbbf2fc87835b26994acdd61c",
    "signer": "0x1c4e2947b5F9FA4A927a23897193150631C1DA35",
    "userId": "933435942"
  }
}