{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x9d1a87cbaf9ccb70d0f79ee85c23a1722894987c8800fba6606bd9a5396cc8ee",
    "signature": "0x23dbb3d83e0ce6128732feac826bba222e84061dfdf6d5a5647b89f46feea7081fe23fad6fd1a0d3b264e887cf1667d4e3998ad8c8c9aa0abbaaa391c2a732741c",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}