{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "917715333",
    "entityType": "User",
    "nonce": "0x31d98d65c4342b516b172c51bd25b112c2e732b60a1cd9fe15fc7800a40d9506",
    "signature": "0x983836c9df09b9724a441ca74e410332837482fddb78a1b7e093d165f9aa8039177945d5d2f14107476f13027cb7c5632652de5c7f195b139d196ed44f50dcef1b",
    "signer": "0xF7F56DF4D8a2Ae2BF9Ca645DC684f84c37BbDaFe",
    "userId": "116272245"
  }
}