{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "826451106",
    "entityType": "User",
    "nonce": "0x1271005972f7ec06607e33956cde1d5dbf6f73ee6822a9b9af847c93be2862d2",
    "signature": "0x2de70ec7bc6b2e452d7c604d2a5aeabd833bf092b816deaf89928c0eda86e23d4821aa0a1abb71a2b7600ba9522a957f2fc0a11b461cb1a03733ce3af74c50711b",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}