{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707937",
    "entityType": "User",
    "nonce": "0x1c641c049d7d1f91dfb794340eddd700b93ad55ffe04bec1e1348480bc3c9057",
    "signature": "0x6de2b2e8d2d14a8fea12066845089c559ceb4fd35c613e903c20fb76dfca338d79ca844bdb4882dd3a4025f5cb4a1c394810c8b75ca6acfb78844041d87dcc3c1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}