{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "461639812",
    "entityType": "User",
    "nonce": "0xc7212faca39eaf2d0a9714e9409514642b5025abf21ce99d55b5d8b680036e46",
    "signature": "0xb2f7ccad7e54db6a7092211c62d30d59c477d628baa67c66ca11f380354b6b8b3857ee35f728903c890bc8cce78d9381f10b2ab294dafcd9cec12acb4354e35e1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}