{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "332210",
    "entityType": "User",
    "nonce": "0x0c235d7ae27352b7772179e9a1e4311b90b9c9a596c5e328ec1a7abe2cbcdaa3",
    "signature": "0x6a5f7b6b75b080f68cf2570f674eac69ac7fe22780716fd53773460b662ce6a7721a1621bed042eaedfc48e3f7b260dbd80ad09540077b6ef4b573ff3b9c81f61b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}