{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0x2f7b1b49061935f1fea4d8b58c673b58bf0c5376c358bf63c1ac7887c696a989",
    "signature": "0x320edb5b4b1c83821c8ef6f8338f74acd668ff934aae842d3ba2877a739bdbde1cd599f043ae62dfc989c124b35a995afd3b02bc9be4316690ca74b607568c741c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}