{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "843421708",
    "entityType": "User",
    "nonce": "0x958997a31fc92073dd7ea7c7dbd76b8bd693efbfde7f9a45c8928cc2daa5a864",
    "signature": "0xf2c40b9446314ca3f6dd067cdc66a2814934c41cf33747e233b4727d2be707e962f98c1ba240fa70380902f512e8fc45ca7dfe337b324d960b04da694ec9f52b1c",
    "signer": "0x1c4e2947b5F9FA4A927a23897193150631C1DA35",
    "userId": "933435942"
  }
}