{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70810",
    "entityType": "User",
    "nonce": "0x908597e4e547f0ff133573461f7f458ad9007c2f0d2da3e33939dabd7a75e456",
    "signature": "0x1a2cb90938fbfa1de558d7e8ace2366d819740f4da0b89779fb523ebf39203385b64bec3d4484af29d1fb71f0bef0f72992d263544e10b94b817a7db249e26421b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}