{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232877",
    "entityType": "User",
    "nonce": "0x30c853b587582c84bb34b4b6317eab6b8687a2b9bfd27160059cda068262dbfa",
    "signature": "0xa0160caddf0efcf36a80bdd3fa648c3f6b910365c39ec1949d462243dce74f816f14eade8313f1b48f62268ca98888c42ac2b6ae3ada1d0811c6d5920142b9f61c",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}