{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbebd7f5ccf44298aa7f010a3af1b17ee949b51c49c316b60b7a7ef67534b2f27",
    "signature": "0xe940c9b57c0e5da72a01fc0d1c02a264c5e975737f37f98bff52b4d26dc5833a475128d47a04f4c4dc7e56bec5ae304f7fb2767f56a6a2fb5a6c8b3cac2160a51b",
    "signer": "0xa1c8941CCeD26acC7A1d5aD568AaD13b7C4BACCd",
    "userId": "292565943"
  }
}