{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78956",
    "entityType": "User",
    "nonce": "0x0d18495bb977568a1972f8bcd51a0b235007b29b0e036e4656bca3af19347d4e",
    "signature": "0xddff952da8a098772a4c8c73e845d7e87079352e213d14eded4c314ff45248563e2802cdd63419e06e5fc72248cc4c26a305869daf50e2131a13d945486e1fee1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}