{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "387164",
    "entityType": "User",
    "nonce": "0xfc4566c011003c57b2d94197642e198de9801abfa4b9b4e0057f88f8162700a3",
    "signature": "0x54b2c80bc36a5286506700a160b14f32d852af4e255e05d9fb306b74974c4a8517eb73a11f9979de65d5804ca6c20261700b0b5a9f90169fb5ed84e1a1c3ac3a1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}