{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "142960",
    "entityType": "User",
    "nonce": "0xecae768d564b3a744ac8baf3a06aa9eeec74c2bbbb530524eb33da52faa11775",
    "signature": "0xba33dace6bf45f41fb35ed56a5a9d5035bbcd8896db22feaeb3d4af351fd7122482753f6a6db31fb09d4e62364af58f9faf39614bf969ffabdd265b428deb70b1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}