{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x82024ea554dd989432bf45e1cf82cf836b844a6c405285f88991dd4f3487f762",
    "signature": "0x2ae7536b1a917d9fff693c1a00759f56cd062a2655c91f23a6e65abcc9430d4a4c39ba0212a0a3631415ead04e520d5ce623b1ec6abeee5cfbfbf794fd30aa0f1b",
    "signer": "0x3B446829846E4Dff44d7a596d5B5E2e7F6f2A2F9",
    "userId": "784506004"
  }
}