{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x8815a07873bd896c721aa686c958790575d5ec6e0449f2d0522843344eef5ca5",
    "signature": "0x946bfb1985e4865b67bf85c9ab83f64571ee8228f027c8109ccd54a1097528364c4c8097e15a0a12ff9d4c7734ae84eab070842b3d0d5387a200892184c36ceb1c",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}