{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf76130b29246a2a299963b88736f548c3d51aa8647a6c7a36fb46879bd15fd6a",
    "signature": "0x8e791cc717f171238b011bb9461b66579139ecfcb52426731a4b59856db1eff679ed630f13537a566e6e0125fa17fdaf637ec9008034f5a9145f26ee2fc9eab51c",
    "signer": "0xA02d00DE95cc1fa0f9389A968cE5eDcff3d805Df",
    "userId": "814858146"
  }
}