{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x0432a093b3784a9f40d2050e04d16ccf71a525138e1ac8260052b6e31324fac0",
    "signature": "0x262060a4eac8b79ef202e893a1b1f11929a418c730dd06d9e030ce13927369ef243050f7bd3cb4ba64b9015568f4153113793199683a844ab2dd65653068ffc61c",
    "signer": "0xa4A8a4853051b18e0f0f777693Ce34CF4bCe9385",
    "userId": "634886384"
  }
}