{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76739",
    "entityType": "User",
    "nonce": "0xb1896f754af68abfb64a169a48e54d8bdf6c348acd68637394604e34312ff6b6",
    "signature": "0xe49cf981ebf491bbdc3f53a956b071c7849394f26590c542699dcf768d3c3cc34bb1c8773db42aaa03a900e1661700e9077664a935c758e1fc4ee796038e0bd61b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}