{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "81362",
    "entityType": "User",
    "nonce": "0x0ced0fe61c59a90ebd90884c94ba89d51b6b3a75b64d74c1c00348521e584d8c",
    "signature": "0xdd1c309a844cc3133930ec9a2ac69627188c08a0630e2ffd51a5ace8e5516d462792b356d613460cfdb575ec7406b4cd07b254d53b6b65f574f894eb72da95601b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}