{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325216",
    "entityType": "User",
    "nonce": "0x39dbc3c9ccd5df3d564349259d062b0a9cbab462cde6ba46fae59c6416f878e3",
    "signature": "0x6482b1862a114aa4a126cb428c6869b94dabbb377d00767e187a568ff573d24a07744c13c79fdb5535846631625c1a50b43a6419f6700d79c76f43e1147ca33f1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}