{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "845727327",
    "entityType": "User",
    "nonce": "0xa740e92c8d2e6466299cf92e918c13d1a4e74f0969005e888b4b8dd268a1d7c0",
    "signature": "0x956857aa3e85c321296340f1f0b1d43c209ac9c103754eb93e0474dfa6f0980b4ca80659c17412a6ee38f6e9b201e79006c8b87a958a21b7a7f1a765aae388551b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}