{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17767",
    "entityType": "User",
    "nonce": "0xdcd2a94732e409cb5ca25fad52ed2cd5a89d0eb2aad02e06c741edb46b9c0782",
    "signature": "0x7bba0fbc66b0af4f0f823c0a437920abda600780a47853689f87148265ecd7273eefff5868746f8f72c224043279675051db47cbf919d1e9ed95e7649031d7b71c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}