{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "349476643",
    "entityType": "User",
    "nonce": "0x52322841085e46d0251f8c112bed572657e43fc9ea5b4f53df6c8c2af5834e56",
    "signature": "0x935bd2ffdcee234f1873c161647ee4ba08ec623fa5dbeabcef194f082290aaa461176ade59c754e45261f6fa135874c3f43b195cff710ad36f0d099a5eaa51ac1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}