{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x6877125893b09b90485f4adf35e044d0a72f417433c68fbf2d4ffbaee2b75468",
    "signature": "0xd735bdeab207b2f4c676a996e3fd02947905c339f36a23728183142547c3132601b58933d33f12399ff14d18e61473c3623be4bf074a0cabf2db910da864afa01b",
    "signer": "0x41Fd0c5C6Ee46Fb99a498db2e7135c69490cB85F",
    "userId": "507333378"
  }
}