{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "370089",
    "entityType": "User",
    "nonce": "0xbe4e4cddc31223ae059f9bfdbfd57f26811597198ca831c7d36e6d79a8191aa4",
    "signature": "0x51965b9a23d44694f68a4dbc8eac930067faf0cd85ae4a2b9bedc4616bc8202661575217f205255af601a8cbcb9898228d56670ddf34b70c3d4b595cd5d239051c",
    "signer": "0xbA83b3D0645C0C99c76cB296B0BA81bD641DB81c",
    "userId": "951995708"
  }
}