{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "351754",
    "entityType": "User",
    "nonce": "0x86d70a4b1e8747de0836aa9031d2b74c4a9c70944a5f50701ab6875445f1e1e4",
    "signature": "0x426751e2d5cde2b8c251d1d2c0df4a64b41213c814a95f51084e761079091fb655237b8b277bb44805168471a127310141a48eba1fc7eeecd69d9d621c573a601b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}