{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xffea723fdda7482235967b4ca117fe22ce66a8be67fcbd7cb0ba91d4c9ff2cc2",
    "signature": "0x8bf9deb0297d6c87fbe10461eccfb3416a120adcdf29e3575f8d5a4bb9037f72201983cd35bbe74d5933e1be19c9eec497f5dfbcc9d07411907ada69dc44fc001b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}