{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x95b08ab08a7c8ad6346774b854bdb43b089022d7f33c2a9cf4f8938fbbf1eac4",
    "signature": "0xd94a278e409ec31fb4d6d7abfb7fe556c638755f55c1c3468b29a2f8c649d4be620fad48c07453217275cc899def42faab42db9820e874b9f4f474f9b6cbc3281b",
    "signer": "0x17845aef960242edbb56cB5bf80280b9707BFB7a",
    "userId": "65765134"
  }
}