{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1440344",
    "entityType": "User",
    "nonce": "0xe723ac6f8407f63e4c75664da1389c4acdbbf5a044978d5eb6ce6ae2c7b020a0",
    "signature": "0xd8a2cf367dda57fcad48f24a7236515548e03356c14d597a9880c2311efd825f63b398914428eeba5f982b8ba6797eddb976941a8458231b9abb8de4eca9be101b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}