{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1422295",
    "entityType": "User",
    "nonce": "0x507b62f4e1231ef8343658520f40d18b260d17a4fbe0c4f5c024b438a52e8f67",
    "signature": "0x9872691f4e2c7d5acc5bae3df7779d44eebc7ef36c2d06811c35ea689651eac54f78cb3e817442e3813dad601365b127f4115d94f0bd29a87a80414006ea465a1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}