{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "99443",
    "entityType": "User",
    "nonce": "0x4cf4b7ddb876f6abf968f7ab5785d6dc941b9d0711fd7f0e84471f00fa0d3f3d",
    "signature": "0xa183add60cbcf86c61577e36da4c3d03599a7348a6d444f94d091403aaa8bd710489a91f2d177ca4d9810af22880ae6456ec9ab490f4752bb09091348cea130e1c",
    "signer": "0xEa3dcE1dCa958ff05294971CA40a732eA317E7A6",
    "userId": "573967897"
  }
}