{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1689085",
    "entityType": "User",
    "nonce": "0x31657c20e21df2cd9824109e8078c55a139820b511f85ba91b275a78fa59ef21",
    "signature": "0x64c8cdee0ed71782f10ce7b5bf679d8a60fbca0f100ed3c0391fdd289578d57834be08ec443fc4f5fa3de46d491dcda5a6699b80a6f5ce30f1bb9c1a13f83d661b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}