{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74180",
    "entityType": "User",
    "nonce": "0xcb4752cac24d515e6440dd03d767729e5eaefc863d995ca9518b528128263aff",
    "signature": "0x5a08cda376557421c69531b8df0efee5c88851ce1600d6cb6b8edc017ddc91386982d39afdc410105f00c82749e585ce67d5a77c810b85b342305c882cc5782c1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}