{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "185209372",
    "entityType": "User",
    "nonce": "0x84bc679e1fe951d874801306bf9daf6d0f437b7d826860c445d8478ce7f51d85",
    "signature": "0x3b7bcf6812203a5310e317a964f675f2531addc34cbbaddd5ec1cadbfc83eaf602265aae4b181d5fa0ba36f7b29778894a3ad09165936ae0ffd902b294941cc91c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}