{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xc5936fbcbcc59219b5d081899d473a61086b1c62720487161692e2fc82682cbb",
    "signature": "0x548b660bd95ba13891edd9c390e4eea339f48eea812447684b708418a84144420f68444f5f950acf399fc72b7608f3c81f249f4c919e6ca8cd5f8e35bb3d8f071c",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}