{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xf72da1b1da8525a3ce035175a4fc16ce07d9bf3f390cf3c08eaba45e9f8e8b27",
    "signature": "0xdd8fcf732359cc5da62825603432c0535f86033c44f3a07825a76a4e75fb412974d1d22991ecb5402b3adc978582033710643f10186fb5dde92ee90cd22456bc1c",
    "signer": "0xede35e3c6749F4D452BB895b866be3386dDA27c3",
    "userId": "983857499"
  }
}