{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x2870c9f76feaf88be2fd9fe21131754bc75b0290eef2700442b931e2392a41e6",
    "signature": "0xc957bb1114c59b6156eb57212183f261e1ed060528919ded8f691a404834eb337c7b8f29117e2cfb88acb8000d164c182279267aca4638eaedf7805d73aaf3191c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}