{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0xc4ef6718b080d105b93239647f629841b2c00182be5743bbb4dd227598a1c992",
    "signature": "0x0672e4124dcbf66ee9b4971fbd1a30e41aeace7a51aa3f99196cb270be63f8431d51c49e82c878ed90e81185d8d6255ff5ba13f5ce2ca62b4fa3f000ad6cc45c1b",
    "signer": "0x41Fd0c5C6Ee46Fb99a498db2e7135c69490cB85F",
    "userId": "507333378"
  }
}