{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1894938",
    "entityType": "User",
    "nonce": "0x6506a1a1ed501972756f0d50ca58cfbc2442c305b3bb02d5664def0a06a0a43d",
    "signature": "0x0f6d04518e9d4dede8bad89a74d89e004abedbf0d3a3cbfae0f3f9302c162f3c58f62e68db6492803c7c287cdea504254db7f6133afd2dd5fbac9088289dd6011b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}